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Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Table of Contents Part I : Technical Information...................................... 1 1. Summary......................................................................... 1 2. Specifications............................................................... 3 2.1 Specification Sheet..................................................................................................3 2.2 Capacity Variation Ratio According to Temperature..................................15 2.3 Cooling and Heating Data Sheet in Rated Frequency...............................15 3. Outline Dimension Diagram.................................. 16 3.1 Indoor Unit.................................................................................................................16 3.2 Outdoor Unit.............................................................................................................18 4. Refrigerant System Diagram................................ 20 5. Electrical Part.............................................................. 22 5.1 Wiring Diagram........................................................................................................22 5.2 PCB Printed Diagram.............................................................................................27 6. Function and Control............................................... 32 6.1 Remote Controller Introduction of YAP1F7(WiFi).......................................32 6.2 GREE+ App Operation Manual...........................................................................37 6.3 Ewpe Smart App Operation Manual.................................................................38 6.4 Brief Description of Models and Functions...................................................39 Part II : Installation and Maintenance ................... 44 7. Notes for Installation and Maintenance........... 44 8. Installation.................................................................... 47 8.1 Installation Dimension Diagram........................................................................47 8.2 Installation Parts-checking ................................................................................49 8.3 Selection of Installation Location.....................................................................49 8.4 Electric Connection Requirement.....................................................................49 8.5 Installation of Indoor Unit....................................................................................50 Table of Contents
8.6 Installation of Outdoor unit.................................................................................52 8.7 Vacuum Pumping and Leak Detection............................................................53 8.8 Check after Installation and Test operation..................................................54 9. Maintenance................................................................. 55 9.1 Error Code List........................................................................................................55 9.2 Procedure of Troubleshooting...........................................................................60 9.3 Troubleshooting for Normal Malfunction.......................................................74 10. Exploded View and Parts List............................ 76 10.1 Indoor Unit..............................................................................................................76 10.2 Outdoor Unit...........................................................................................................84 11. Removal Procedure................................................ 92 11.1 Removal Procedure of Indoor Unit.................................................................92 11.2 Removal Procedure of Outdoor Unit...........................................................102 Appendix.......................................................................... 120 Appendix 1: Reference Sheet of Celsius and Fahrenheit.............................120 Appendix 2: Configuration of Connection Pipe................................................120 Appendix 3: Pipe Expanding Method...................................................................121 Appendix 4: List of Resistance for Temperature Sensor..............................122 Table of Contents
1. Summary Indoor Unit: A1 panel A2 panel B4 panel Outdoor Unit: GWC12AGC-S3DTA1C/O GWH12AGC-S3DTA1C/O GWC30AGEXH-S3DTA1A/O GWH30AGEXH-S3DTA1A/O GWC30AGEXH-S3DTA1C/O GWC36QF-S3DTB4A/O GWH36QF-S3DTB4A/O 1 Technical Information GWC18AGD-S3DTA1A/O GWH18AGD-S3DTA1A/O GWC24AGE-S3DTA1F/O GWH24AGE-S3DTA1F/O Remote Controller: YAP1F7(WiFi) ON/OFF TURBO MODE FAN I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP
Model list: Remote Controller 1 GWC12AGC-S3DTA1C CB385009400 GWC12AGC-S3DTA1C/I CB385N09400 GWC12AGC-S3DTA1C/O CB385W09400 No Model Product code Indoor model Indoor product 2 GWC12AGCXD-S3DTA2C CB543005100 GWC12AGCXD-S3DTA2C/I CB543N05100 3 GWH12AGC-S3DTA1C CB385009500 GWH12AGC-S3DTA1C/I CB385N09500 GWH12AGC-S3DTA1C/O CB385W09500 4 GWH12AGCXD-S3DTA2C CB543002800 GWH12AGCXD-S3DTA2C/I CB543N02800 5 GWC18AGD-S3DTA1A CB385010100 GWC18AGD-S3DTA1A/I CB385N10100 GWC18AGD-S3DTA1A/O CB385W10100 6 GWC18AGD-S3DTA2A CB543001700 GWC18AGD-S3DTA2A/I CB543N01700 7 GWH18AGD-S3DTA1A CB385010000 GWH18AGD-S3DTA1A/I CB385N10000 GWH18AGD-S3DTA1A/O CB385W10000 8 GWH18AGD-S3DTA2A CB543001500 GWH18AGD-S3DTA2A/I CB543N01500 9 GWC24AGE-S3DTA1F CB385008700 GWC24AGE-S3DTA1F/I CB385N08700 GWC24AGE-S3DTA1F/O CB385W08700 10 GWC24AGE-S3DTA2F CB543001300 GWC24AGE-S3DTA2F/I CB543N01300 11 GWH24AGE-S3DTA1F CB385008800 GWH24AGE-S3DTA1F/I CB385N08800 GWH24AGE-S3DTA1F/O CB385W08800 12 GWH24AGE-S3DTA2F CB543001400 GWH24AGE-S3DTA2F/I CB543N01400 13 GWC30AGEXH-S3DTA1A CB385011000 GWC30AGEXH-S3DTA1A/I CB385N11000 GWC30AGEXH-S3DTA1A/O CB385W11000 14 GWC30AGEXH-S3DTA2A CB543001600 GWC30AGEXH-S3DTA2A/I CB543N01600 15 GWH30AGEXH-S3DTA1A CB385011100 GWH30AGEXH-S3DTA1A/I CB385N11100 GWH30AGEXH-S3DTA1A/O CB385W11100 16 GWH30AGEXH-S3DTA2A CB543001800 GWH30AGEXH-S3DTA2A/I CB543N01800 17 GWC30AGEXH-S3DTA1C CB385019100 GWC30AGEXH-S3DTA1C/I CB385N19100 GWC30AGEXH-S3DTA1C/O CB385W19100 18 GWC36QF-S3DTB4A CB434021200 GWC36QF-S3DTB4A/I CB434N21200 GWC36QF-S3DTB4A/O CB434W21200 19 GWH36QF-S3DTB4A CB434021100 GWH36QF-S3DTB4A/I CB434N21100 GWH36QF-S3DTB4A/O CB434W21100 2 Technical Information code Outdoor model Outdoor product code YAP1F7 (WiFi)
2. Specifications 2.1 Specification Sheet Model GWC12AGC-S3DTA1C GWC12AGCXD-S3DTA2C Product Code CB385009400 CB543005100 Rated Voltage V~ 220-240 220-240 Power Supply Rated Frequency Hz 50/60 50/60 Phases 1 1 Power Supply Mode Indoor Indoor Cooling Capacity Btu/h T1:11700 T3:11300 T1:11700 T3:11300 Heating Capacity W / 3700 Cooling Power Input W T1:877 T3:1294 T1:877 T3:1294 Heating Power Input W / 974 Cooling Current Input A T1:3.93 T3:5.8 T1:3.931 T3:5.8 Heating Current Input A / 4.35 Rated Input W 1400 1400 Rated Cooling Current A 6.28 6.28 Rated Heating Current A / 6.23 Air Flow Volume m 3/h 680/620/560/490/450/420/390 680/620/560/490/450/420/390 Dehumidifying Volume L/h 1.4 1.4 EER (Btu/h)/W T1:13.35 T3:8.75 T1:13.35 T3:8.75 COP W/W / 3.8 SEER / / HSPF / / Application Area m 2 16-24 16-24 Model GWC12AGC-S3DTA1C/I GWC12AGCXD-S3DTA2C/I CB385N09500 CB543N02800 Fan Type Cross-flow Cross-flow Product Code CB385N09400 CB543N05100 Fan Diameter Length(DXL) mm Ф98×630 Ф98×630 Cooling Speed r/min 1450/1200/1120/1050/980/920/750 1450/1200/1120/1050/980/920/750 Heating Speed r/min / 1450/1200/1140/1080/1020/960/900 Fan Motor Power Output W 15 15 Fan Motor RLA A 0.2 0.2 Fan Motor Capacitor μF / / Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ5 Φ7 Indoor Evaporator Row-fin Gap mm 2-1.4 2-1.4 Unit Evaporator Coil Length (LXDXW) mm 634×22.8×304.8 634×25.4×304.8 Swing Motor Model MP24BA/MP24AK/MP24HF MP24BA/MP24AK/MP24HF Swing Motor Power Output W 1.5/1.5/1.5 1.5/1.5/1.5 Fuse Current A 3.15 3.15 Sound Pressure Level dB (A) 44/39/37/35/33/31/27 Cooling:44/39/37/35/33/31/27 Heating:44/38/36/34/32/30/28 Sound Power Level dB (A) 54/49/47/45/43/41/37 Cooling:54/49/47/45/43/41/37 Heating:54/48/46/44/42/40/38 Dimension (WXHXD) mm 825X293X196 825X293X196 Dimension of Carton Box (LXWXH) mm 870X349X257 870X349X257 Dimension of Package (LXWXH) mm 875X365X268 875X365X268 Net Weight kg 9.5 10.5 Gross Weight kg 11.5 12.5 3 Technical Information GWH12AGC-S3DTA1C GWH12AGCXD-S3DTA2C CB385009500 CB543002800 GWH12AGC-S3DTA1C/I GWH12AGCXD-S3DTA2C/I
Outdoor Unit Model GWC12AGC-S3DTA1C/O GWH12AGC-S3DTA1C/O Outdoor Unit Product Code CB385W09400 CB385W09500 ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXFa-M111zE170 QXFa-M111zE170 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. A / / Compressor RLA A 4.35 4.35 Compressor Power Input W 950 950 Compressor Overload Protector / / Throttling Method Electron expansion valve Electron expansion valve Set Temperature Range ºC 16~30 16~30 Cooling Operation Ambient Temperature Range ºC 18~60 18~60 Heating Operation Ambient Temperature Range ºC / -7~24 Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7 Φ7.94 Condenser Rows-fin Gap mm 2-1.4 2-1.4 Condenser Coil Length (LXDXW) mm 895×38.1×528 895×38.1×528 Fan Motor Speed rpm 850 850 Fan Motor Power Output W 30 30 Outdoor Fan Motor RLA A 0.4 0.4 Unit Fan Motor Capacitor μF / / Outdoor Unit Air Flow Volume m Fan Type Axial-flow Axial-flow Fan Diameter mm 420 420 Defrosting Method / Automatic Defrosting Climate Type T3 T3 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 2.5 Sound Pressure Level dB (A) 53 53 Sound Power Level dB (A) 63 63 Dimension(WXHXD) mm 802X555X350 802X555X350 Dimension of Carton Box (LXWXH) mm 869X395X594 869X395X594 Dimension of Package(LXWXH) mm 872X398X620 872X398X620 Net Weight kg 31 31 Gross Weight kg 33.5 33.5 Refrigerant R410A R410A Refrigerant Charge kg 1.2 1.2 Connection Pipe Length m 5 5 Connection Pipe Gas Additional Charge g/m 15 20 Outer Diameter Liquid Pipe inch 1/4 1/4 Connection Outer Diameter Gas Pipe inch 3/8 3/8 Pipe Max Distance Height m 10 10 Max Distance Length m 20 20 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 4 Technical Information 3/h 2200 2200
Model GWC18AGD-S3DTA1A GWC18AGD-S3DTA2A Product Code CB385010100 CB543001700 Rated Voltage V~ 220-240 220-240 Power Supply Rated Frequency Hz 50/60 50/60 Phases 1 1 Power Supply Mode Indoor Indoor Cooling Capacity Btu/h T1:18000 T3:16900 T1:18000 T3:16900 Heating Capacity W / 5600 Cooling Power Input W T1:1350 T3:1855 T1:1350 T3:1855 Heating Power Input W / 1473 Cooling Current Input A T1:6.3 T3:8.5 T1:6.3 T3:8.5 Heating Current Input A / 6.8 Rated Input W 2500 2500 Rated Cooling Current A 11 11 Rated Heating Current A / 11 Air Flow Volume m 3/h 1150/910/870/830/770/660/600 1150/910/870/830/770/660/600 Dehumidifying Volume L/h 1.8 1.8 EER (Btu/h)/W T1:13.35 T3:9.10 T1:13.35 T3:9.10 COP W/W / 3.80 SEER / / HSPF / / Application Area m 2 23-34 23-34 Model GWC18AGD-S3DTA1A/I GWC18AGD-S3DTA2A/I CB385N10000 CB543N01500 Fan Type Cross-flow Cross-flow Product Code CB385N10100 CB543N01700 Fan Diameter Length(DXL) mm Φ106×739 Φ106×739 Cooling Speed r/min 1450/1200/1120/1050/980/860/750 1450/1200/1120/1050/980/860/750 Heating Speed r/min / 1370/1200/1120/1050/950/850/750 Fan Motor Power Output W 50 50 Fan Motor RLA A 0.24 0.24 Fan Motor Capacitor μF / / Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ7 Φ7 Indoor Evaporator Row-fin Gap mm 2-1.3 2-1.3 Unit Evaporator Coil Length (LXDXW) mm 745×22.8×342.9 745×22.8×342.9 Swing Motor Model MP24AK/MP24BA/MP24HF MP24AK/MP24BA/MP24HF Swing Motor Power Output W 1.5/1.5/1.5 1.5/1.5/1.5 Fuse Current A 3.15 3.15 Sound Pressure Level dB (A) 48/42/40/38/36/32/28 Cooling:48/42/40/38/36/32/28 Heating:48/43/41/39/35/32/29 Sound Power Level dB (A) 58/52/50/48/46/42/38 Cooling:58/52/50/48/46/42/38 Heating:58/53/51/49/45/42/39 Dimension (WXHXD) mm 982X311X221 982X311X221 Dimension of Carton Box (LXWXH) mm 1039X377X287 1039X377X287 Dimension of Package (LXWXH) mm 1044X385X297 1044X385X297 Net Weight kg 13.5 13.5 Gross Weight kg 16 16 5 Technical Information GWH18AGD-S3DTA1A GWH18AGD-S3DTA2A CB385010000 CB543001500 GWH18AGD-S3DTA1A/I GWH18AGD-S3DTA2A/I
Outdoor Unit Model GWC18AGD-S3DTA1A/O GWH18AGD-S3DTA1A/O Outdoor Unit Product Code CB385W10100 CB385W10000 ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXFa-M125zE170 QXFa-M125zE170 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. A / / Compressor RLA A 5 5 Compressor Power Input W 1085 1085 Compressor Overload Protector / / Throttling Method Electron expansion valve Electron expansion valve Set Temperature Range ºC 16~30 16~30 Cooling Operation Ambient Temperature Range ºC 18~60 18~60 Heating Operation Ambient Temperature Range ºC / -7~24 Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7 Φ7 Condenser Rows-fin Gap mm 2-1.4 2-1.4 Condenser Coil Length (LXDXW) mm 935×38.1×616 935×38.1×616 Fan Motor Speed rpm 820 820 Fan Motor Power Output W 60 60 Outdoor Fan Motor RLA A 0.65 0.65 Unit Fan Motor Capacitor μF / / Outdoor Unit Air Flow Volume m Fan Type Axial-flow Axial-flow Fan Diameter mm 520 520 Defrosting Method / Automatic Defrosting Climate Type T3 T3 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 2.5 Sound Pressure Level dB (A) 58 60 Sound Power Level dB (A) 68 70 Dimension(WXHXD) mm 958X660X402 958X660X402 Dimension of Carton Box (LXWXH) mm 1029X453X715 1029X453X715 Dimension of Package(LXWXH) mm 1032X456X737 1032X456X737 Net Weight kg 41.5 42.5 Gross Weight kg 46 47 Refrigerant R410A R410A Refrigerant Charge kg 1.6 1.6 Connection Pipe Length m 5 5 Connection Pipe Gas Additional Charge g/m 50 50 Outer Diameter Liquid Pipe inch 1/4 1/4 Connection Outer Diameter Gas Pipe inch 5/8 5/8 Pipe Max Distance Height m 10 10 Max Distance Length m 25 25 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 6 Technical Information 3/h 3600 3600
Model GWC24AGE-S3DTA1F GWC24AGE-S3DTA2F Product Code CB385008700 CB543001300 Rated Voltage V~ 220-240 220-240 Power Supply Rated Frequency Hz 50/60 50/60 Phases 1 1 Power Supply Mode Indoor Indoor Cooling Capacity Btu/h T1:22000 T3:22000 T1:22000 T3:22000 Heating Capacity W / 7350 Cooling Power Input W T1:1654 T3:2471 T1:1654 T3:2471 Heating Power Input W / 1885 Cooling Current Input A T1:7.5 T3:11 T1:7.5 T3:11 Heating Current Input A / 8.5 Rated Input W 2550 3050 Rated Cooling Current A 13.5 13.5 Rated Heating Current A / 11 Air Flow Volume m 3/h 1450/1100/1050/950/900/850/800 1450/1100/1050/950/900/850/800 Dehumidifying Volume L/h 2.5 2.5 EER (Btu/h)/W T1:13.3 T3:8.9 T1:13.3 T3:8.9 COP W/W / 3.9 SEER / / HSPF / / Application Area m 2 32-50 32-50 Model GWC24AGE-S3DTA1F/I GWC24AGE-S3DTA2F/I CB385N08800 CB543N01400 Fan Type Cross-flow Cross-flow Product Code CB385N08700 CB543N01300 Fan Diameter Length(DXL) mm Φ108×830 Φ108×830 Cooling Speed r/min 1500/1150/1100/1000/950/900/850 1500/1150/1100/1000/950/900/850 Heating Speed r/min / 1500/1200/1100/1050/1000/950/900 Fan Motor Power Output W 60 60 Fan Motor RLA A 0.28 0.28 Fan Motor Capacitor μF / / Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ7 Φ7 Indoor Evaporator Row-fin Gap mm 2-1.4 2-1.4 Unit Evaporator Coil Length (LXDXW) mm 850×25.4×342.9 850×25.4×342.9 Swing Motor Model MP24AK/MP24HF MP24AK/MP24HF Swing Motor Power Output W 1.5/1.5 1.5/1.5 Fuse Current A 3.15 3.15 Sound Pressure Level dB (A) 53/46/44/41/40/38/36 Cooling:53/46/44/41/40/38/36 Heating:52/44/42/41/39/37/36 Sound Power Level dB (A) 63/56/54/51/50/48/46 Cooling:63/56/54/51/50/48/46 Heating:62/54/52/51/49/47/46 Dimension (WXHXD) mm 1075X333X246 1075X333X246 Dimension of Carton Box (LXWXH) mm 1128X406X323 1128X406X323 Dimension of Package (LXWXH) mm 1133X414X333 1133X414X333 Net Weight kg 16 16 Gross Weight kg 19 19 7 Technical Information GWH24AGE-S3DTA1F GWH24AGE-S3DTA2F CB385008800 CB543001400 GWH24AGE-S3DTA1F/I GWH24AGE-S3DTA2F/I
Outdoor Unit Model GWC24AGE-S3DTA1F/O GWH24AGE-S3DTA1F/O Outdoor Unit Product Code CB385W08700 CB385W08800 ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXFb-M180zX170 QXFb-M180zX170 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. A 24 24 Compressor RLA A 3.5 3.5 Compressor Power Input W 1350 1350 Compressor Overload Protector HPC 115/95U1 KSD115 Throttling Method Electron expansion valve Electron expansion valve Set Temperature Range ºC 16~30 16~30 Cooling Operation Ambient Temperature Range ºC 18~60 18~60 Heating Operation Ambient Temperature Range ºC / -7~24 Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7 Φ7 Condenser Rows-fin Gap mm 2-1.4 2-1.4 Condenser Coil Length (LXDXW) mm 839×38.1×616 839×38.1×616 Fan Motor Speed rpm 800 800 Fan Motor Power Output W 60 60 Outdoor Fan Motor RLA A 0.65 0.65 Unit Fan Motor Capacitor μF / / Outdoor Unit Air Flow Volume m Fan Type Axial-flow Axial-flow Fan Diameter mm 520 520 Defrosting Method / Automatic Defrosting Climate Type T3 T3 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 2.5 Sound Pressure Level dB (A) 60 60 Sound Power Level dB (A) 70 70 Dimension(WXHXD) mm 958X660X402 958X660X402 Dimension of Carton Box (LXWXH) mm 1029X453X715 1029X453X715 Dimension of Package(LXWXH) mm 1032X456X737 1032X456X737 Net Weight kg 42 43.5 Gross Weight kg 46.5 48 Refrigerant R410A R410A Refrigerant Charge kg 1.9 1.9 Connection Pipe Length m 5 5 Connection Pipe Gas Additional Charge g/m 15 50 Outer Diameter Liquid Pipe inch 1/4 1/4 Connection Outer Diameter Gas Pipe inch 5/8 5/8 Pipe Max Distance Height m 10 10 Max Distance Length m 25 25 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 8 Technical Information oC HPC 115/95U1 KSD115 oC 3/h 3600 3600
Model GWC30AGEXH-S3DTA1A GWC30AGEXH-S3DTA2A Product Code CB385011000 CB543001600 Rated Voltage V~ 220-240 220-240 Power Supply Rated Frequency Hz 50/60 50/60 Phases 1 1 Power Supply Mode Outdoor Outdoor Cooling Capacity Btu/h T1:27400 T3:24000 T1:27400 T3:24000 Heating Capacity W / 8600 Cooling Power Input W T1:2236 T3:2682 T1:2236 T3:2682 Heating Power Input W / 2440 Cooling Current Input A T1:10.5 T3:12.3 T1:10.5 T3:12.3 Heating Current Input A / 11.3 Rated Input W 3500 3500 Rated Cooling Current A 16 16 Rated Heating Current A / / Air Flow Volume m 3/h 1500/1100/1050/950/900/850/800 1500/1100/1050/950/900/850/800 Dehumidifying Volume L/h 3 3 EER (Btu/h)/W T1:12.25 T3:8.95 T1:12.25 T3:8.95 COP W/W / 3.50 SEER / / HSPF / / Application Area m 2 35-52 35-52 Model GWC30AGEXH-S3DTA1A/I GWC30AGEXH-S3DTA2A/I Product Code CB385N11000 CB543N01600 CB385N11100 CB543N01800 Fan Type Cross-flow Cross-flow Fan Diameter Length(DXL) mm Φ108×830 Φ108×830 Cooling Speed r/min 1500/1150/1100/1000/950/900/850 1500/1150/1100/1000/950/900/850 Heating Speed r/min / 1500/1200/1100/1050/1000/950/900 Fan Motor Power Output W 60 60 Fan Motor RLA A 0.28 0.28 Fan Motor Capacitor μF / / Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ7 Φ7 Indoor Evaporator Row-fin Gap mm 2-1.3 2-1.3 Unit Evaporator Coil Length (LXDXW) mm 850×25.4×342.9 850×25.4×342.9 Swing Motor Model MP24AK/MP24HF MP24AK/MP24HF Swing Motor Power Output W 1.5/1.5 1.5/1.5 Fuse Current A 3.15 3.15 Sound Pressure Level dB (A) 53/45/44/41/40/38/36 Cooling:53/45/44/41/40/38/36 Heating:52/44/42/41/39/37/36 Sound Power Level dB (A) 63/55/54/51/50/48/46 Cooling:63/55/54/51/50/48/46 Heating:62/54/52/51/49/47/46 Dimension (WXHXD) mm 1075X333X246 1075X333X246 Dimension of Carton Box (LXWXH) mm 1128X406X323 1128X406X323 Dimension of Package (LXWXH) mm 1133X414X333 1133X414X333 Net Weight kg 16 16 Gross Weight kg 19 19 9 Technical Information GWH30AGEXH-S3DTA1A GWH30AGEXH-S3DTA2A CB385011100 CB543001800 GWH30AGEXH-S3DTA1A/I GWH30AGEXH-S3DTA2A/I
Outdoor Unit Model GWC30AGEXH-S3DTA1A/O GWH30AGEXH-S3DTA1A/O Outdoor Unit Product Code CB385W11000 CB385W11100 ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXFb-B238zX070 QXFb-B238zX070 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Oil / / Compressor Type Rotary Rotary Compressor LRA. A / / Compressor RLA A / / Compressor Power Input W / / Compressor Overload Protector / / Throttling Method Electron expansion valve Electron expansion valve Set Temperature Range ºC 16~30 16~30 Cooling Operation Ambient Temperature Range ºC 18~60 18~60 Heating Operation Ambient Temperature Range ºC / -7~24 Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7 Φ7 Condenser Rows-fin Gap mm 3-1.4 3-1.4 Condenser Coil Length (LXDXW) mm 955X57.15X704 955X57.15X704 Fan Motor Speed rpm 850 850 Fan Motor Power Output W 90 90 Outdoor Fan Motor RLA A 0.65 0.65 Unit Fan Motor Capacitor μF / / Outdoor Unit Air Flow Volume m Fan Type Axial-flow Axial-flow Fan Diameter mm 570 570 Defrosting Method / Automatic Defrosting Climate Type T3 T3 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 2.5 Sound Pressure Level dB (A) 62 62 Sound Power Level dB (A) 72 72 Dimension(WXHXD) mm 1000X746X427 1000X746X427 Dimension of Carton Box (LXWXH) mm 1077X480X785 1077X480X785 Dimension of Package(LXWXH) mm 1080X483X810 1080X483X810 Net Weight kg 56 57 Gross Weight kg 61 62 Refrigerant R410A R410A Refrigerant Charge kg 2.1 2.1 Connection Pipe Length m 5 5 Connection Pipe Gas Additional Charge g/m 15 50 Outer Diameter Liquid Pipe inch 1/4 1/4 Connection Outer Diameter Gas Pipe inch 5/8 5/8 Pipe Max Distance Height m 25 25 Max Distance Length m 40 40 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 10 Technical Information 3/h 4000 4000
Model GWC30AGEXH-S3DTA1C Product Code CB385019100 Rated Voltage V~ 220-240 Power Supply Rated Frequency Hz 50/60 Phases 1 Power Supply Mode Outdoor Cooling Capacity Btu/h T1:27400 T3:24000 Heating Capacity W / Cooling Power Input W T1:2236 T3:2682 Heating Power Input W / Cooling Current Input A T1:10.5 T3:12.3 Heating Current Input A / Rated Input W 3500 Rated Cooling Current A 16 Rated Heating Current A / Air Flow Volume m Dehumidifying Volume L/h 3 EER (Btu/h)/W T1:12.25 T3:8.95 COP W/W / SEER 15 HSPF / Application Area m Model GWC30AGEXH-S3DTA1C/I Product Code CB385N19100 Fan Type Cross-flow Fan Diameter Length(DXL) mm Φ108×830 Cooling Speed r/min 1500/1150/1100/1000/950/900/850 Heating Speed r/min / Fan Motor Power Output W 60 Fan Motor RLA A 0.28 Fan Motor Capacitor μF / Evaporator Form Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ7 Indoor Evaporator Row-fin Gap mm 2-1.3 Unit Evaporator Coil Length (LXDXW) mm 850×25.4×342.9 Swing Motor Model MP24AK/MP24HF Swing Motor Power Output W 1.5/1.5 Fuse Current A 3.15 Sound Pressure Level dB (A) 53/45/44/41/40/38/36 Sound Power Level dB (A) 63/55/54/51/50/48/46 Dimension (WXHXD) mm 1075X333X246 Dimension of Carton Box (LXWXH) mm 1128X406X323 Dimension of Package (LXWXH) mm 1133X414X333 Net Weight kg 16 Gross Weight kg 19 11 Technical Information 3/h 1500/1100/1050/950/900/850/800 2 35-52
Outdoor Unit Model GWC30AGEXH-S3DTA1C/O Outdoor Unit Product Code CB385W19100 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXFb-B238zX070 Compressor Oil / Compressor Type Rotary Compressor LRA. A / Compressor RLA A / Compressor Power Input W / Compressor Overload Protector / Throttling Method Electron expansion valve Set Temperature Range ºC 16~30 Cooling Operation Ambient Temperature Range ºC 18~60 Heating Operation Ambient Temperature Range ºC / Condenser Form Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7 Condenser Rows-fin Gap mm 3-1.4 Condenser Coil Length (LXDXW) mm 955X57.15X704 Fan Motor Speed rpm 850 Fan Motor Power Output W 90 Outdoor Fan Motor RLA A 0.7 Unit Fan Motor Capacitor μF / Outdoor Unit Air Flow Volume m Fan Type Axial-flow Fan Diameter mm 570 Defrosting Method / Climate Type T3 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 Sound Pressure Level dB (A) 62 Sound Power Level dB (A) 72 Dimension(WXHXD) mm 1000X746X427 Dimension of Carton Box (LXWXH) mm 1077X480X785 Dimension of Package(LXWXH) mm 1080X483X810 Net Weight kg 56 Gross Weight kg 61 Refrigerant R410A Refrigerant Charge kg 2.1 Connection Pipe Length m 5 Connection Pipe Gas Additional Charge g/m 15 Outer Diameter Liquid Pipe inch 1/4 Connection Outer Diameter Gas Pipe inch 5/8 Pipe Max Distance Height m 25 Max Distance Length m 40 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 12 Technical Information 3/h 4500
Model GWC36QF-S3DTB4A GWH36QF-S3DTB4A Product Code CB434021200 CB434021100 Rated Voltage V~ 220-240 220-240 Power Supply Rated Frequency Hz 50/60 50/60 Phases 1 1 Power Supply Mode Outdoor Outdoor Cooling Capacity Btu/h T1:32400 T3:29600 T1:32400 T3:29600 Heating Capacity W / 9550 Cooling Power Input W T1:2645 T3:3326 T1:2645 T3:3326 Heating Power Input W / 2691 Cooling Current Input A T1:12 T3:14.8 T1:12 T3:14.8 Heating Current Input A / 12 Rated Input W 3700 3750 Rated Cooling Current A 17 17 Rated Heating Current A / 15 Air Flow Volume m Dehumidifying Volume L/h 3.5 3.5 EER (Btu/h)/W T1:12.25 T3:8.9 T1:12.25 T3:8.9 COP W/W / 3.55 SEER / / HSPF / / Application Area m Model GWC36QF-S3DTB4A/I GWH36QF-S3DTB4A/I Product Code CB434N21200 CB434N21100 Fan Type Cross-flow Cross-flow Fan Diameter Length(DXL) mm Φ108×522.7×2 Φ108×522.7×2 Cooling Speed r/min 1650/1300/1250/1150/1050/950/850 1650/1300/1250/1150/1050/950/850 Heating Speed r/min / 1500/1300/1250/1150/1100/1050/950 Fan Motor Power Output W 70 70 Fan Motor RLA A 0.3 0.3 Fan Motor Capacitor μF / / Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ7 Φ7 Evaporator Row-fin Gap mm 2-1.3 2-1.3 Indoor Unit Evaporator Coil Length (LXDXW) mm 1074×25.4×381 1074×25.4×381 Swing Motor Model MP24CE MP24CC MP24BA MP24CE MP24CC MP24BA Swing Motor Power Output W 1.5/1.5 /1.5 1.5/1.5 /1.5 Fuse Current A 5 5 Sound Pressure Level dB (A) 58/50/49/46/44/40/37 Cooling:58/50/49/46/44/40/37 Heating:57/52/50/47/46/44/41 Sound Power Level dB (A) 68/60/59/56/54/50/47 Cooling:68/60/59/56/54/50/47 Heating:67/62/60/57/56/54/51 Dimension (WXHXD) mm 1350X326X253 1350X326X253 Dimension of Carton Box (LXWXH) mm 1438X418X352 1438X418X352 Dimension of Package (LXWXH) mm 1441X421X367 1441X421X367 Net Weight kg 19.5 19.5 Gross Weight kg 24 24 13 Technical Information 3/h 1600/1250/1200/1100/1000/900/800 1600/1250/1200/1100/1000/900/800 2 46-70 46-70
Outdoor Unit Model GWC36QF-S3DTB4A/O GWH36QF-S3DTB4A/O Outdoor Unit Product Code CB434W21200 CB434W21100 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXFb-D280zX070 QXFb-D280zX070 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. A 40 40 Compressor RLA A 5.5 5.5 Compressor Power Input W 2475 2475 Compressor Overload Protector HPC115/95U1 KSD115 Throttling Method Capillary Capillary Set Temperature Range ºC 16~30 16~30 Cooling Operation Ambient Temperature Range ºC 18~60 18~60 Heating Operation Ambient Temperature Range ºC / -7~24 Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7.94 Φ7.94 Condenser Rows-fin Gap mm 3 - 1.4 3 - 1.4 Condenser Coil Length (LXDXW) mm 955X57.15X704 955X57.15X704 Fan Motor Speed rpm 850 850 Fan Motor Power Output W 90 90 Outdoor Fan Motor RLA A 0.7 0.7 Unit Fan Motor Capacitor μF / / Outdoor Unit Air Flow Volume m Fan Type Axial-flow Axial-flow Fan Diameter mm 570 570 Defrosting Method / Automatic Defrosting Climate Type T3 T3 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 2.5 Sound Pressure Level dB (A) 62 62 Sound Power Level dB (A) 72 72 Dimension(WXHXD) mm 1000X746X427 1000X746X427 Dimension of Carton Box (LXWXH) mm 1077X480X785 1077X480X785 Dimension of Package(LXWXH) mm 1080X483X810 1080X483X810 Net Weight kg 61 62 Gross Weight kg 66 67 Refrigerant R410A R410A Refrigerant Charge kg 2.7 2.7 Connection Pipe Length m 5 5 Connection Pipe Gas Additional Charge g/m 15 50 Outer Diameter Liquid Pipe inch 1/4 1/4 Connection Outer Diameter Gas Pipe inch 3/4 3/4 Pipe Max Distance Height m 25 25 Max Distance Length m 40 40 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 14 Technical Information oC HPC115/95U1 KSD115 oC 3/h 4500 4500
2. Specifications 2.2 Capacity Variation Ratio According to Temperature Cooling Heatling 140 120 120 100 100 80 Capacity ratio(%) Capacity ratio(%) 80 60 Conditions Indoor:DB20°C Indoor air flow:Super High Pipe length:5m 60 Condition Cooling Indoor:DB27°C/WB19°C 40 40 Indoor air flow:Super High Pipe length:5m 20 20 0 0 -7 -5 0 5 10 15 20 24 1820 25 30 35 40 45 50 55 60 Outdoor Temp.(°C) Outdoor Temp.(°C) 18K 12K 24/30K 36K 18K 12K 24/30K 36K 2.3 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe connecting indoor and outdoor Inlet and outlet pipe temperature of heat Rated cooling condition(°C) Fan speed of Fan speed of (DB/WB) Model exchanger indoor unit outdoor unit unit Indoor Outdoor P (MPa) T1 (°C) T2 (°C) 27/19 35/24 12K ~ 24K 0.9 ~ 1.1 in:12 out:14 in:75 out:37 Super High High 27/19 35/24 30K 0.8 ~ 1.0 in:8 ~ 11 out:11 ~ 14 in:75 ~ 85 out:37 ~ 43 Super High High 27/19 35/24 36K 0.7 ~ 0.9 in:10 out:12 in:78 out:37 Super High High Heating: Pressure of gas pipe connecting indoor and outdoor Inlet and outlet pipe temperature of heat Rated heating condition(°C) Fan speed of Fan speed of (DB/WB) Model exchanger indoor unit outdoor unit unit Indoor Outdoor P (MPa) T1 (°C) T2 (°C) 20/- 7/6 12K ~ 24K 2.2 ~ 2.4 in:70 out:35 in:2 out:4 Super High High 20/- 7/6 30K 2.2 ~ 2.4 in:75 ~ 85 out:37 ~ 43 in:1 ~ 3 out:2 ~ 5 Super High High 20/- 7/6 36K 2.4 ~ 2.7 in:71 out:36 in:1 out:7 Super High High Instruction: T1: Inlet and outlet pipe temperature of evaporator T2: Inlet and outlet pipe temperature of condenser P: Pressure at the side of big valve Connection pipe length: 5 m. 15 Technical Information
3. Outline Dimension Diagram 3.1 Indoor Unit W D H AGC W3 W2 W1 Φ55 43 116 155 AGD W3 W2 W1 Φ55 40 40 178 89 AGE W3 W2 W1 Φ70 43 175 60 Model W H D W1 W2 W3 AGC 825 293 196 113 542 170 AGD 982 311 221 122.5 707.5 152 AGE 1075 333 246 184 707.5 183.5 * Recommended distance 16 Technical Information
QF 1350 350 254 746 Φ70 Φ70 40 295 90 17 Technical Information 326 253 Unit: mm
3.2 Outdoor Unit GWC12AGC-S3DTA1C/O GWH12AGC-S3DTA1C/O 300 555 350 Unit:mm GWC18AGD-S3DTA1A/O GWH18AGD-S3DTA1A/O GWC24AGE-S3DTA1F/O GWH24AGE-S3DTA1F/O 340 660 402 Unit:mm 18 Technical Information 745 802 332 512 889 958 371 570
GWC30AGEXH-S3DTA1A/O GWH30AGEXH-S3DTA1A/O GWC30AGEXH-S3DTA1C/O GWC36QF-S3DTB4A/O GWH36QF-S3DTB4A/O 369 746 427 Unit:mm 395 19 Technical Information 923 1000 610
4. Refrigerant System Diagram Cooling only model(12~24K) INDOOR UNIT UTDOOR UNIT O HEAT EXCHANGE (EVAPORATOR) Cooling only model(30K/36K) INDOOR UNIT UTDOOR UNIT O HEAT EXCHANGE (EVAPORATOR) 20 Technical Information GAS SIDE 3-WAY VALVE Discharge Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) Intercooler LIQUID SIDE Strainer Electron expansion Capillary 2-WAY VALVE valve COOLING GAS SIDE 3-WAY VALVE Discharge Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) Intercooler LIQUID SIDE Throttling device * Strainer 2-WAY VALVE COOLING * Electron expansion valve(30K) or Capillary(36K)
Heat pump model(12K) INDOOR UNIT UTDOOR UNIT O HEAT EXCHANGE (EVAPORATOR) Heat pump model(18~36K) INDOOR UNIT UTDOOR UNIT O HEAT EXCHANGE (EVAPORATOR) Connection pipe specification: Liquid pipe:1/4" Gas pipe: 3/8" (12K) 5/8"(18~36K) 21 Technical Information GAS SIDE 3-WAY VALVE 4-Way valve Discharge Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) Intercooler LIQUID SIDE Electron expansion Throttle Valve Strainer 2-WAY VALVE valve COOLING HEATING GAS SIDE 3-WAY VALVE 4-Way valve Discharge Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) Intercooler LIQUID SIDE Strainer Strainer Capillary Throttling device * 2-WAY VALVE COOLING HEATING * Electron expansion valve(18~30K) or Capillary(36K)
5. Electrical Part 5.1 Wiring Diagram ●Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green CAP Jumper cap YE Yellow BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow/Green BK Black / / VT Violet OG Orange / / Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ● Indoor Unit GWC12AGC-S3DTA1C/I GWH12AGC-S3DTA1C/I GWC12AGCXD-S3DTA2C/I GWH12AGCXD-S3DTA2C/I ROOM TUBE TEMP. SENSOR TEMP. SENSOR RECEIVER AND DISPLAY BOARD OPTIONAL POWER BU(WH) FAN MOTOR N ION PLASMACLUSTER BN(BK) DISPLAY M1 AP1 L θ θ YEGN(GN) RT1 RT2 BLOCK TERMINAL HEALTH DC-MOTOR T-SENSOR DISP N(N1) BU BU OUTDOOR UNIT N(1) CAP AP2 BK BK COM-OUT 2 PRINTED CIRCUIT BOARD JUMP BN BN L-OUT 3 AC-L K3(K1) YEGN SWING-UD1 SWING-UD2 (DRY-C) YEGN SWING-LR COM-MANUAL XT PE EVAPORATOR DOOR-C CONNECTING CABLE M4 M2 M3 UP-DOWN UP-DOWN LEFT-RIGHT AP3 WIRED CONTROLLER AP4 STEPPING STEPPING STEPPING GATE CONTROL MOTOR MOTOR MOTOR OPTIONAL OPTIONAL OPTIONAL 60000706326803 22 Technical Information
GWC18AGD-S3DTA1A/I GWC18AGD-S3DTA2A/I GWH18AGD-S3DTA1A/I GWH18AGD-S3DTA2A/I GWC24AGE-S3DTA1F/I GWC24AGE-S3DTA2F/I GWH24AGE-S3DTA1F/I GWH24AGE-S3DTA2F/I TUBE ROOM BN(BK) OPTIONAL OPTIONAL L TEMP. SENSOR TEMP. SENSOR RECEIVER AND DISPLAY BOARD FAN MOTOR LEFT-RIGHT BU(WH) WIRED CONTROLLER MOTOR STEPPING N DISPLAY AP1 YEGN(GN) M1 θ θ POWER M4 RT1 RT2 DISP TERMINAL T-SENSOR DC-MOTOR SWING-LR COM-MANUAL BLOCK BU N BU CAP N(1) OUTDOOR UNIT AP2 BK COM-OUT BK 2 JUMP PRINTED CIRCUIT BOARD BN BN K1 AC-L L-OUT 3 YEGN HEALTH DOOR-C (DRY-C) SWING-UD1 SWING-UD2 E CONNECTING YEGN YEGN XT CABLE PE EVAPORATOR M2 M3 ION PLASMACLUSTER UP-DOWN UP-DOWN DRY STEPPING STEPPING CONTACT MOTOR MOTOR OPTIONAL OPTIONAL 600007065110 GWC30AGEXH-S3DTA1A/I GWC30AGEXH-S3DTA2A/I GWH30AGEXH-S3DTA1A/I GWH30AGEXH-S3DTA2A/I GWC30AGEXH-S3DTA1C/I TUBE ROOM TEMP. SENSOR TEMP. SENSOR OPTIONAL RECEIVER AND DISPLAY BOARD LEFT-RIGHT MOTOR STEPPING FAN MOTOR WIRED CONTROLLER DISPLAY AP1 M1 θ θ M4 RT1 RT2 TERMINAL BLOCK DC-MOTOR COM-MANUAL T-SENSOR DISP SWING-LR BU CAP BU N OUTDOOR UNIT N(1) BK BK COM-OUT AP2 2 JUMP 3 BN PRINTED CIRCUIT BOARD BN AC-L YEGN YEGN E YEGN CONNECTING (DRY-C) SWING-UD2 SWING-UD1 XT CABLE DOOR-C HEALTH PE EVAPORATOR M3 M2 ION PLASMACLUSTER UP-DOWN UP-DOWN DRY STEPPING CONTACT STEPPING MOTOR MOTOR OPTIONAL OPTIONAL 60000706411701 23 Technical Information
GWC36QF-S3DTB4A/I GWH36QF-S3DTB4A/I WARNING OPTIONAL OPTIONAL ROOM TEMP. TUBE TEMP. FAN Please don't touch any electronic component or terminal when the machine is running,stopping or has been powered off for less than 3 minutes to prevent electric shock ! RECEIVER AND WIRED CONTROLLER SENSOR SENSOR MOTOR WIFI MODULE DISPLAY BOARD M1 AP3 AP4 AP1 θ θ RT2 RT1 TERMINAL BLOCK TUBE ROOM DISP2 DISP1 DC-MOTOR WIFI COM-MANUAL L2 BU BU N(1) OUTDOOR UNIT BK N L2 BK COM-OUT 2 CAP AP2 L2 BN BN MAIN BOARD JUMP AC-L 3 MAGNETIC RING YEGN YEGN DRY-C (DOOR-C) L1 SWING-UD SWING-LR1 SWING-LR2 PE YEGN XT1 HEALTH-L HEALTH-N PE EVAPORATOR M2 M3 M4 BU RD INDOOR UNIT COLD PLASMA AP5 MOTOR STEPPING LEFT-RIGHT LEFT-RIGHT UP-DOWN GENERATOR MOTOR STEPPING MOTOR STEPPING DRY CONTACT OPTIONAL 60000700043606 OPTIONAL OPTIONAL These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. 24 Technical Information
● Outdoor Unit GWC12AGC-S3DTA1C/O GWH12AGC-S3DTA1C/O OPTIONAL OPTIONAL OPTIONAL WARNING Bottom VALVE 4-WAY EXHAUST TEMP. OUTROOM TEMP. OUTTUBE ELECTRONIC EXPANSION Please don't touch any terminal when the machine is running ,stopping or has been powered off for less than 30 minutes to prevent the risk of electric shock ! Band Heater TEMP. SENSOR SENSOR SENSOR VALVE 4YV EKV EH1 15K 20K 50K RT1 VT (YE) RT3 RT2 VT(YE) T-SEN 4WAY HEAT-B FA XT L2 BU BU INDOOR UNIT N(1) N L2 BK BK BN Main Board AP: COMU(COM-IN) 2 L2 BN 3 AC_L(AC-L) CN2 YEGN OFAN TERMINAL YEGN LX1-2 LX1-1 E BLOCK MAGNETIC PE RING L1 L1 L1 OG WH M RD YE BU L REACTOR V W FAN U MOTOR OPTIONAL COMP 600007065257 COMP. GWC18AGD-S3DTA1A/O GWH18AGD-S3DTA1A/O GWC24AGE-S3DTA1F/O GWH24AGE-S3DTA1F/O OPTIONAL OPTIONAL WARNING BOTTOM BAND HEATER EXHAUST TEMP. OUTROOM TEMP. OUTTUBE ELECTRONIC Please don't touch any terminal when the machine is running ,stopping or has been powered off for less than 30 minutes to prevent the risk of electric shock ! EXPANSION TEMP. SENSOR SENSOR SENSOR VALVE EKV EH1 15K 20K 50K RT3 RT2 RT1 MAGNETIC RING XT BU L2 BU INDOOR UNIT T-SENSOR (T-SEN) HEAT-B N(1) FA N L2 BK BN BK PRINTED CIRCUIT BOARD AP1: (COM-IN) 2 COM-INNER L2 BN 3 AC-L OVC-COMP OFAN YEGN 4WAY YEGN CN2 E TERMINAL PE BLOCK PE MAGNETIC VT VT WH WH RING L1 L1 L1 M 4YV SAT BU YE RD VALVE 4-WAY FAN V W MOTOR U COMP OVERLOAD OPTIONAL PROTECTOR 600007064965 OPTIONAL COMP. 25 Technical Information
GWC30AGEXH-S3DTA1A/O GWH30AGEXH-S3DTA1A/O GWC30AGEXH-S3DTA1C/O GWC36QF-S3DTB4A/O GWH36QF-S3DTB4A/O OPTIONAL OPTIONAL WARNING BOTTOM BAND HEATER EXHAUST TEMP. OUTROOM TEMP. OUTTUBE ELECTRONIC Please don't touch any terminal when the machine is running ,stopping or has been powered off for less than 30 minutes to prevent the risk of electric shock ! TEMP. SENSOR SENSOR SENSOR EXPANSION VALVE EKV 15K 20K 50K EH1 RT3 RT2 RT1 MAGNETIC RING XT BU L2 BU INDOOR UNIT T-SENSOR (T-SEN) HEAT-B N(1) FA N L2 BK BK BN PRINTED CIRCUIT BOARD AP1: (COM-IN) 2 COM-INNER L2 BN L(3) AC-L E OVC-COMP OFAN YEGN 4WAY CN2 YEGN TERMINAL PE BLOCK PE BU BN(BK) L N MAGNETIC VT VT OPTIONAL WH WH RING L1 L1 L1 YEGN YEGN 4YV M PE PE POWER SAT BU YE RD VALVE 4-WAY FAN PE V W MOTOR U OPTIONAL OVERLOAD COMP PROTECTOR OPTIONAL 600007065386 COMP. These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. 26 Technical Information
5.2 PCB Printed Diagram Indoor Unit 12-30K 7 5 8 6 9 4 3 2 1 15 No. Name No. Name 1 Earthing wire 9 Up & down swing 2 2 DC fan 10 Up & down swing 1 3 Terminal of live wire 11 Display board 4 Fuse 12 Temperature sensor 5 Dommunication wire 13 Door control 6 Neutral wire 14 Wired controller 7 Cold plasma 15 Jumper 8 Left & right swing 27 Technical Information 10 11 12 13 14
36K 1 2 3 4 5 6 7 19 18 17 16 15 14 No. Name No. Name 1 Neutral wire 11 Ambient temperature sensor 2 Live wire 12 Tube temperature sensor 3 Fuse 13 Display board 4 Door control 14 Jumper cap 5 Wired controller 15 DC fan 6 Auto button 16 Earthing wire 7 Up&down swing 17 Communication wire 8 Left&right swing 2 18 Live line for AC contactor 9 Left&right swing 1 19 Cold plasma 10 WiFi 28 Technical Information 8 9 10 11 12 13
Outdoor Unit GWC12AGC-S3DTA1C/O GWH12AGC-S3DTA1C/O 1 2 3 4 5 6 7 No. Name 1 Earthing wire 2 Neutral wire, live wire and communication cable 3 4-way valve 4 Electric heating belt of chassis 5 Outdoor fan 6 Electronic expansion valve 7 Temperature sensor 8 Three-phase terminal of compressor 29 Technical Information 8
GWC18AGD-S3DTA1A/O GWH18AGD-S3DTA1A/O GWC24AGE-S3DTA1F/O GWH24AGE-S3DTA1F/O 5 6 7 8 9 10 11 12 13 14 4 3 2 1 No. Name No. Name 1 Terminal of electronic expansion valve 9 4-way valve 2 E disk(Reserved) 10 Electric heating belt of chassis 3 Computer monitoring interface 11 2-way valve 4 EE flash drive 12 DC motor 5 Grounding wire 13 Temperature sensor 6 Live wire 14 Overload interface of compressor 7 Neutral wire 15 Terminal of compressor 8 Communication wire 16 Interface of program debugs 30 Technical Information 15 16
GWC30AGEXH-S3DTA1A/O GWH30AGEXH-S3DTA1A/O GWC30AGEXH-S3DTA1C/O GWC36QF-S3DTB4A/O GWH36QF-S3DTB4A/O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 No. Name No. Name 1 Neutral wire 8 Terminal of high pressure protection 2 Grounding wire 9 Temperature sensor 3 Live wire 10 Overload interface of compressor 4 Communication wire 11 Terminal of electronic expansion valve 5 4-way valve 12 Terminal of DRED 6 Electric heating belt of chassis 13 E disk(Reserved) 7 Outdoor fan 14 Terminal of compressor wire 31 Technical Information
6. Function and Control 6.1 Remote Controller Introduction of YAP1F7(WiFi) Notice: 1.This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status. 2.After putting through the power, the air conditioner will give out a sound. Operation indicator " " is ON (red indicator, the colour is different for different models). After that, you can operate the air conditioner by using remote controller. 3.Under on status, pressing the button on the remote controller, the signal icon " " on the display of remote controller will blink once and the air condition-er will give out a “ di ” sound, which means the signal has been sent to the air conditioner. 4.As for the models with functions of WiFi or wired controller, the indoor unit must has been controlled by standard remote controller under auto mode first, and then the function of adjustable temperature under auto mode can be realized by APP or the wired controller. 5.This remote controller can adjust the temperature under auto mode. When matching with the unit which is without the function of adjustable temperature under auto mode, the set temperature under auto mode may be invalid, or the displayed set temperature on the unit is not same as that on the remote controller under auto mode. P P ON/OFF ON/OFF TURBO TURBO MODE MODE FAN FAN I FEEL T-ON T-OFF I FEEL T-ON T-OFF TEMP CLOCK TEMP CLOCK LIGHT WiFi SLEEP LIGHT WiFi SLEEP button Press this button to turn on the unit. Press this button again to turn off the unit. button Press this button to select your required operation mode : ● When selecting auto mode, air conditioner will operate automatically according to the ex-factory setting. Press "FAN" button can adjust fan speed. Press " " / " " button can adjust fan blowing angle. ● After selecting cool mode, air conditioner will operate under cool mode. Press " " or " " button to adjust set temperature. Press "FAN" button to adjust fan speed. Press" " / " " button to adjust fan blowing angle. 32 Technical Information ● When selecting dry mode, the air conditioner operates at low speed under dry mode. Under dry mode, fan speed can't be adjusted. Press " " / " " button to adjust fan blowing angle. ● When selecting fan mode, the air conditioner will only blow fan, no cooling and no heating. Press "FAN" button to adjust fan speed. Press" " / " " button to adjust fan blowing angle. When selecting heat mode, the air conditioner operates under heat mode. Press "▲" or "▼" button to adjust set temperature. Press "FAN" button to adjust fan speed. Press " " / " " button to adjust fan blowing angle. ● When selecting heating mode, the air conditioner operates under heat mode. Press " " or " " button to adjust set temperature. Press "FAN" button to adjust fan speed. Press " " / " " button to adjust fan blowing angle. (Cooling only unit won't receive heating mode signal. If setting heat mode with remote controller, press ON/OFF button can’t start up the unit). Note: ● For preventing cold air, after starting up heat mode,indoor unit will delay 1~5 minutes to blow air (Actual delay time depends on indoor ambient temperature). ● Set temperature range from remote controller: 16~30 oC oF). (61~86 ● Under auto mode, temperature can be displayed;Under auto mode, set temperature can be adjusted. ● This mode indicator is not available for some models. button This button is used for setting Fan Speed in the sequence that goes from AUTO, , , , , , , then back to Auto. Note: ● Under AUTO speed, air conditioner will select proper fan speed automatically according to factory default setting. ● It's low fan speed under dry mode. ● X-FAN function Hold fan speed button for 2s in cool or dry mode, the icon " " is displayed and the indoor fan will continue
operation for a few minutes in order to dry the indoor unit even though you have turned off the unit. After energization, X-FAN OFF is defaulted. X-FAN is not available in auto, fan or heat mode. ● This function indicates that moisture on evaporator of indoor unit will be blowed after the unit is stopped to avoid mould. ● Having set X-FAN function on: After turning off the unit by pressing " ON/OFF " button indoor fan will continue running for a few minutes. at low speed. In this period, Hold fan speed button for 2s to stop indoor fan directly. ● Having set X-FAN function off: After turning off the unit by pressing " ON/OFF " button, the complete unit will be off directly. TURBO button Under COOL or HEAT mode, press this button to turn to quick COOL or quick HEAT mode. " " icon is displayed on remote controller. Press this button again to exit turbo function and " " icon will disappear. If start this function, the unit will run at super-high fan speed to cool or heat quickly so that the ambient temperature approaches the preset temperature as soon as possible. / button ● Press " " or " " button once increase or d ecrease set temperature 1°C (°F). Holding " " or " " button, 2s later, set temperature on remote controller will change quickly. On releasing button after setting is finished, temperature indicator on indoor unit will change accordingly. ● When setting T-ON, T-OFF or CLOCK, press " " or " " button to adjust time. (Refer to CLOCK, T-ON,T-OFF buttons) button Press this button can select left & right swing angle. Fan blow angle can be selected circularly as below: Note: ● Press this button continuously more than 2s, the main unit will swing back and forth from left to right, and then loosen the button, the unit will stop swinging and present position of guide louver will be kept immediately. ● Under left and right swing mode, when the status is switched from off to , if press this button again 2s later, status will switch to off status directly; if press this button again within 2s, the change of swing status will also depend on the circulation sequence stated above. ● The function is only available for some models. button Press this button can select left & right swing angle. Fan blow angle can be selected circularly as below: 33 Technical Information no display (horizontal louvers stops at current position) ● When selecting " ", air conditioner is blowing fan automatically. Horizontal louver will automatically swing up & down at maximum angle. ●When selecting " , , , , , ", air conditioner is blowing fan at fixed position. Horizontal louver will stop at the fixed position. ● When selecting " , , ", air conditioner is blowing fan at fixed angle. Horizontal louver will send air at the fixed angle. ● Hold " " button above 2s to set your required swing angle. When reaching your required angle, release the button. Note: ● " , , " may not be available. When air conditioner receives this signal, the air conditioner will blow fan automatically. ● Press this button continuously for more than 2s, the main unit will swing back and forth from up to down, and then loosen the button, the unit present position of guide louver will be kept immediately. ● Under up and down swing mode, when the status is switched from off to , if press this button again 2s later, status will switch to off status directly; if press this button again within 2s, the change of swing status will also depend on the circulation sequence stated above. T-ON T-OFF button ● T-ON button "T-ON" button can set the time for timer on. After pressing this button, " " icon disappears and the word "ON" on remote controller blinks. Press "▲" or " ▼ " button to adjust T-ON setting. After each pressing "▲" or " ▼ " button, T-ON setting will increase or decrease 1min. Hold "▲" or " ▼ " button, 2s later, the time will change quickly until reaching your required time. Press "T-ON" to confirm it. The word "ON" will stop blinking. " " icon resumes displaying. Cancel T-ON: Unde the condition that T-ON is started up, press "T-ON " button to cancel it. ● T-OFF button "T-OFF" button can set the time for timer off. After pressing this button, " " icon disappears and the word "OFF" on remote controller blinks. Press "▲" or " ▼ " button to adjust T-OFF setting. After each pressing "▲" or " ▼ " button, T-OFF setting will increase or decrease 1min. Hold "▲" or " ▼ " button, 2s later, the time will change quickly until reaching your required time. Press "T-OFF" word "OFF" will stop blinking. " " icon resumes displaying. Cancel T-OFF. Under the condition that T-OFF is started up, press "T-OFF" button to cancel it. Note: ● Under on and off status, you can set T-OFF or T-ON simultaneously.
● Before setting T-ON or T-OFF, please adjust the clock time. ● After starting up T-ON or T-OFF, set the constant circulating valid. ● After that, air conditioner will be turned on or turned off according to setting time.ON/OFF button has no effect on setting. If you don’t need this function, please use remote controller to cancel it. I FEEL button Press this button to start I FEEL function and " " will be displayed on the remote controller. After this function is set, the remote controller will send the detected ambient temperature to the controller and the unit will automatically adjust the indoor temperature according to the detected temperature. Press this button again to cancel I FEEL function and " " will disappear. ● Please put the remote controller near user when this function is set. Do not put the remote contro ller near the object of high temperature or low temperature in order to avoid detecting inaccurate amb ient temperature. When I FEEL function is turned on, the remote controller should be put within the area where indoor unit can receive the signal sent by the remote controller. CLOCK button Press this button to set clock time. " " icon on remote controller will blink. Press " ▲ " or " ▼ " button within 5s to set clock time. Each pressing of "▲" or " ▼ " button, clock time will increase or decrease 1 minute. If hold "▲" or " ▼ " button, 2s later, time will change quickly. Release this button when reaching your required time. Press "CLOCK" button to confirm the time. " " icon stops blinking. Note: ● Clock time adopts 24-hour mode. ● The interval between two operations can't exceed 5s. Otherwise, remote controller will quit setting status. Operation for TIMER ON/TIMER OFF is the same. SLEEP button ● Press this button, can select Sleep 1 ( 1), Sleep 2 ( 2), Sleep 3 ( 3) and cancel the Sleep, circulate between these, after electrified, Sleep Cancel is defaulted. ● Sleep 1 is Sleep mode 1, in Cool modes; sleep status after run for one hour, the main unit setting temperature will increase 1 , two hours, setting temperature increased 2℃, then the unit will run at this setting temperature; In Heat mode: sleep status after run for one hour, the setting temperature will decrease 1 , two hours, setting temperature will decrease 2 , then the unit will run at this setting temperature. ● Sleep 2 is sleep mode 2, that is air conditioner will run according to the presetting a group of sleep temperature curve. ● Sleep 3-the sleep curve setting under Sleep mode by DIY; 34 Technical Information (1) Under Sleep 3 mode, press “Turbo” button for a long time, remote controller enters into user individuation sleep setting status, at this time, the time of remote controller will display “1hour”, the setting temperature “88” will display the corresponding temperature of last setting sleep curve and blink (The first entering will display according to the initial curve setting value of original factory); (2) Adjust " ▲ " and " ▼ " button, could change the corresponding setting temperature, after adjusted, press "Turbo" button for confirmation; (3) At this time, 1hour will be automatically increased at the timer position on the remote control, (that are "2hours" or "3hours" or "8hours"), the place of setting temperature "88" will display the corresponding temperature of last setting sleep curve and blink; (4) Repeat the above step (2)~(3) operation, until 8 hours temperature setting finished, sleep,curve setting finished, at this time, the remote controller will resume the original timer display; temperature display will resume to original setting temperature. ● Sleep3- the sleep curve setting under Sleep mode by DIY could be inquired: The user could accord to sleep curve setting method to inquire the presetting sleep curve, enter into user individuation sleep setting status, but do not change the temperature, press "Turbo" button directly for confirmation. Note: In the above presetting or enquiry procedure, if continuously within 10s, there is no button pressed, the sleep curve setting within 10s, there is no button pressed, the sleep curve setting status will be automatically quit and resume to display the original displaying. In the presetting or enquiry procedure, press "ON/OFF" button, "Mode" button, "Sleep" button, the sleep curve setting or enquiry status will quit similarly. WiFi button Press " WiFi " button to turn on WiFi function, "WiFi " icon will be displayed on the remote controller; Hold " WiFi " button for 5s to turn off WiFi function and " WiFi " icon will disappear. Under off status, press " MODE " and " WiFi " buttons simultaneously for 1s, WiFi module will restore factory settings. ● This function is only available for some models. button Press this button to achieve the on and off of health and scavenging functions in operation station. Press this button for the first time to start scavenging function; LCD displays " ". Press the button for the second time to start health and scavenging functions simultaneously; LCD displays " " and " ". Press this button for the third time to quit health and scavenging functions simultaneously. Press the button for the fourth time to start health function; LCD display " ". Press this button again to
repeat the operation above. ● This function is applicable to partial of models . LIGHT button Press this button to turn off display light on indoor unit. " " icon on remote controller disappears. Press this button again to turn on display light. " " icon is displayed. TEMP button Press this button, you can see indoor set temperature, indoor ambient temperature on indoor unit' s display. The setting on remote controller is selected circularly as below: no display Introduction for icons on display screen I feel Set fan speed Turbo mode Send signal Auto mode Operation mode Cool mode Dry mode Fan mode Heat mode Sleep mode 8℃ heating function Power limiting operation P Health mode Scavenging function X-FAN function Set temp. temp. Outdoor ambient temp. Indoor ambient Temp. display type Clock Set temperature WiFi function Set time TIMER ON / TIMER OFF Left & right swing Up & down swing Child lock Quiet Function introduction for combination buttons Energy-saving function Under cooling mode, press "TEMP" and "CLOCK" buttons simultaneously to start up or turn off energysaving function. When energy-saving function is started up, "SE" will be shown on remote controller, and air conditioner will adjust the set 35 Technical Information temperature automatically according to ex-factorysetting to reach to the best energy-saving effect. Press "TEMP" and "CLOCK" buttons simultaneously again to exit energysaving function. Note: ● Under energy-saving function, fan speed is defaulted at auto speed and it can't be adjusted. ● Under energy-saving function, set temperature can't be adjusted. Press "TURBO" button and the remote controller won't send signal. ● Sleep function and energy-saving function can't operate at the same time. If energy-saving function has been set under cool mode, press sleep button will cancel energy-saving function. If sleep function has been set under cool mode, start up the energy- saving function will cancel sleep function. 8°C heating function Under heat mode, press "TEMP" and "CLOCK" buttons simultaneously to start up or turn off 8°C heating function. When this function is started up, " " and "8°C" will be shown on remote controller, and the air conditioner keep the heating status at 8°C. Press "TEMP" and "CLOCK" buttons simultaneously again to exit 8°C heating function. Note: ● Under 8°C heating function, fan speed is defaulted at auto speed and it can't be adjusted. ● Under 8°C heating function, set temperature can't be adjusted. Press "TURBO" button and the remote controller won't send signal. ● Sleep function and 8°C heating function can't operate at the same time. If 8°C heating function has been set under heat mode, press sleep button will cancel 8°C heating function. If sleep function has been set under heat mode, start up the 8°C heating function will cancel sleep function. ● Under °F temperature display, the remote controller will display 46°F heating. Child lock function Press "▲" and "▼" simultaneously to turn on or turn off child lock function. When child lock function is on, " " icon is displayed on remote controller. If you operate the remote controller, the " " icon will blink three times without sending signal to the unit. Temperature display switchover function Under OFF status, press "▼" and "MODE" buttons simultaneously to switch temperature display between °C and °F. Auto clean function Under unit off status, hold "MODE" and "FAN" buttons simultaneously for 5s to turn on or turn off the auto clean function. When the auto clean function is turned on, indoor unit displays "CL" . During the auto clean process of evaporator, the unit will
perform fast cooling or fast heating. There may be some noise, which is the sound of flowing liquid or thermal expansion or cold shrinkage. The air conditioner may blow cool or warm air, which is a normal phenomenon. During cleaning process, please make sure the room is well ventilated to avoid affecting the comfort. Note: ● The auto clean function can only work under normal ambient temperature. If the room is dusty, clean it once a month; if not, clean it once every three months. After the auto clean function is turned on,you can leave the room. When auto clean is finished, the air conditioner will enter standby status. ● This function is only available for some models. function Press "MODE" and "SLEEP" buttons simultaneously to start function. function is for limiting power of the whole unit. Press this button, the remote controller will circu-larly display as the following: blank No Setting ● Maximum power limited under the mode is lower than that of mode. ● If you want to cancel the power limiting function, press the button till the icon in remote controller is not displayed. ● When the remote controller is turned off, power limiting function is cancelled. If you want to activatethe function, please repress this button. ● If the current power is lower than the maximum power of mode, then the power will not be limited after entering into such mode. ● For the model with one outdoor unit and two indoor units, if any one of indoor units enters into power limiting function, the outdoor unit will enter into the set limiting power mode of indoor unit; when two indoor units enter into power limiting mode, then the power of outdoor unit will be limited according to the lower power of the two indoor units. Note: ● This function is only available for some models. Replacement of batteries in remote controller 36 Technical Information 1. Lift the cover along the direction of arrow (as shown in Fig 1① ). 2.Take out the original batteries (as shown in Fig 1 ② ). 3.Place two 7# (AAA 1.5V) dry batteries, and make sure the position of “ + ” polar and “ - ” polar is correct (as shown in Fig 2 ③ ). 4.Reinstall the cover (as shown in Fig 2 ④ ). ① ④ ② ③ Fig.1 Fig.2 NOTICE: ● During operation, point the remote control signal sender at the receiving window on indoor unit. ● The distance between signal sender and receiving window should be no more than 8m, and there should be no obstacles between them. ● Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone; remote controller should be close to indoor unit during operation. ● Replace new batteries of the same model when replacement is required. ● When you don’t use remote controller for a long time, please take out the batteries. ● If the display on remote controller is fuzzy or there’s no display, please replace batteries. Emergency operation If remote controller is lost or damaged, please use aux. button to turn on or turn off the air conditioner. The operation in details is as below: As shown in the figure, open panel and press aux.button to turn off the air conditioner. When the air conditioner is turned on, it will operate under auto mode. aux. button
6.2 GREE+ App Operation Manual Control Flow Chart Home Wi-Fi Gree intelligent home appliances Home wireless router Operating Systems Requirement for User's smart phone: iOS system Support iOS7.0 and above version Download and installation GREE+ App Download Linkage Scan the QR code or search "GREE+" in the application market to download and install it. When "GREE+" App is installed, register the account and add the device to achieve long-distance control and LAN control of Gree smart home appliances. For more information, please refer to "Help" in App. 37 Technical Information Internet Gree Cloud Cellular/ Other Wi-FI Home Wi-Fi GREE+ APP Android system Support Android 4.4 and above version
6.3 Ewpe Smart App Operation Manual Control Flow Chart intelligent Home Wi-Fi home appliances Home wireless router Operating Systems Requirement for User's smart phone: iOS system Support iOS7.0 and above version Download and installation App Download Linkage Scan the QR code or search "Ewpe Smart" in the application market to download and install it. When "Ewpe Smart" App is installed, register the account and add the device to achieve long-distance control and LAN control of smart home appliances. For more information, please refer to "Help" in App. 38 Technical Information Internet Cloud Cellular/ Other Wi-FI Home Wi-Fi APP Android system Support Android 4.4 and above version
6.4 Brief Description of Models and Functions ●Indoor Unit 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30 OC. (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status. Temperature setting range is 16~30 OC. (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (3) Protection status is same as that under cooling mode. (4) Sleep function is not available for drying mode. (3)Heating mode (1) Under this mode, Temperature setting range is 16~30 OC. (2) Working condition and process for heating mode: When turn on the unit under heating mode, indoor unit enters into cold air prevention status. When the unit is stopped or at OFF status, and indoor unit has been started up just now, the unit enters into residual heat-blowing status. (4)Working method for AUTO mode: 1.Working condition and process for AUTO mode: a.Under AUTO mode, standard heating Tpreset=20 OC and standard cooling Tpreset=25 OC. The unit will switch mode automatically according to ambient temperature. 2.Protection function a. During cooling operation, protection function is same as that under cooling mode. b. During heating operation, protection function is same as that under heating mode. 3. Display: Set temperature is the set value under each condition. Ambient temperature is (Tamb.-Tcompensation) for heat pump unit and Tamb. for cooling only unit. 4. If theres I feel function, Tcompensation is 0. Others are same as above. (5)Fan mode Under this mode, indoor fan operates at set fan speed. Compressor, outdoor fan, 4-way valve and electric heating tube stop operation. Indoor fan can select to operate at high, medium, low or auto fan speed. Temperature setting range is 16~30 2. Other control (1) Buzzer Upon energization or availably operating the unit or remote controller, the buzzer will give out a beep. (2) Auto button If press this auto button when turning off the unit, the complete unit will operate at auto mode. Indoor fan operates at auto fan speed and swing function is turned on. Press this auto button at ON status to turn off the unit. (3) Auto fan 39 Technical Information Heating mode: During auto heating mode or normal heating ode, auto fan speed will adjust the fan speed automatically according to ambient temperature and set temperature. (4) Sleep After setting sleep function for a period of time, system will adjust set temperature automatically. (5) Timer function: General timer and clock timer functions are compatible by equipping remote controller with different functions. (6) Memory function memorize compensation temperature, off-peak energization value. Memory content: mode, up&down swing, light, set temperature, set fan speed, general timer (clock timer cant be memorized). After power recovery, the unit will be turned on automatically according to memory content. (7) Health function During operation of indoor fan, set health function by remote controller. Turn off the unit will also turn off health function. Turn on the unit by pressing auto button, and the health is defaulted ON. (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Entry condition for compulsory defrosting function When turn on the unit under heating ode and set temperature is 16 OC (or 16.5 OC by remote controller), press “ , , , , , ” button successively within 5s and then indoor unit will enter into compulsory defrosting setting status: (1) If theres only indoor units controller, it enters into indoor normal defrosting mode. (2) If theres indoor units controller and outdoor units controller, indoor unit will send compulsory defrosting mode signal to outdoor unit and then outdoor unit will operate under normal defrosting mode. After indoor unit received the signal that outdoor unit has entered into defrosting status, indoor unit will cancel to send compulsory mode to outdoor unit. If outdoor unit hasnt received feedback signal from outdoor unit after 3min, indoor unit will also cancel to send compulsory defrosting signal. (10)Refrigerant recovery function: Enter into Freon recovery mode actively: Within 5min after energization, turn on the unit at 16 OC. OC under cooling mode, and press light button for 3 times within 3s to enter into Freon recovery mode. Fo is displayed and Freon recovery mode will be sent to outdoor unit. (11)Ambient temperature display control mode 1. When user set the remote controller to display set temperature (corresponding remote control code: 01), current set temperature will be displayed. 2. Only when remote control signal is switched to indoor ambient temperature display status (corresponding remote control code:
10) from other display status (corresponding remote control code: 00, 01,11),controller will display indoor ambient temperature for 3s and then turn back to display set temperature. Under this mode, indoor fan operates at set fan speed. Compressor, outdoor fan, 4-way valve and electric heating tube stop operation. Indoor fan can select to operate at high, medium, (3) Protection function: same as in cooling mode. 3. Fan mode (1) Under this mode, indoor fan can select different fan speed (except Turbo) or auto fan speed. Compressor, outdoor fan and 4-way valve all stop operation. (2) In fan mode, temperature setting range is 16~30 oC. 4. Heating mode Working condition and process of heating mode: ① W h e n T p r e s e t - ( Ti n d o o r a m b i e n t t e m p e r a t u r e - Tcompensation)≥1 low or auto fan speed. Temperature setting range is 16~30 OC. (12)Off-peak energization function: oC, unit enters into heating mode. Compressor, outdoor fan and 4-way valve start operation. ② When -2 Adjust compressors minimum stop time. The original minimum stop time is 180s and then we change to: The time interval between two start-ups of compressor cant be less than 180+Ts(0≤T≤15). T is the variable of controller. Thats to say the minimum stop time of compressor is 180s~195s. Read- in T into memory chip when refurbish the memory chip each time. After power recovery, compressor can only be started up after 180+T s at least. oC ＜Tpreset-(Tindoor ambient temperature- Tcompensation) ＜1 oC, unit operates according to the previous status. ③ When Tpreset-(Tindoor ambient temperature-Tcompensation)≤- 2 oC, compressor stops operation and outdoor fan will stop 30s later. Indoor fan will be in residual-heat blowing status. ④ When unit is turned off under heating mode or changed to other modes from heating mode, 4-way valve will be power-off 2min after compressor stops working (compressor is in operation status under heating mode). ⑤ When Toutdoor ambient temperature ＞30 (13) SE control mode The unit operates at SE status. oC, compressor stops operation immediately. Outdoor fan will stop 30s later. ⑥ Under the condition that compressor is turned on, when unit is changed to heating mode from cooling or drying mode, 4-way valve will be energized in 2~3mins delay. Note: Tcompensation is determined by IDU and ODU. If IDU controls the compensation temperature, then Tcompensation is determined according to the value sent by IDU to ODU; If IDU does not control the compensation temperature, then Tcompensation will default to 3 (14) X-fan mode When X-fan function is turned on, after turn off the unit, indoor fan will still operate at low speed for 2min and then the complete unit will be turned off. When x-fan function is turned off, after turn off the unit, the complete unit will be turned off directly. OC heating function (15) 8 Under heating mode, you can set 8 oCheating function by remote controller. The system will operate at 8 oC by the ODU. oC set temperature. 5. Freon recovery mode After the Freon recovery signal from IDU is received, cooling at rated frequency will be forcibly turned on to recover Freon. Indoor unit will display Fo. If any signal from remote controller is received, unit will exit from Freon recovery mode and indoor unit stops displaying Fo. (16)Turbo function Turbo function can be set under cooling and heating modes. Press Fan Speed button to cancel turbo setting. Turbo function is not available under auto, drying and fan modes. ●Outdoor Unit 12-30K: 1. Cooling mode: Working condition and process of cooling mode: ① When Tindoor ambient temperature≥Tpreset, unit enters into cooling mode. Indoor fan, outdoor fan and compressor start operation. Indoor fan operates according to set fan speed. ② When Tindoor ambient temperature≤Tpreset-2 6. Compulsory defrosting If unit is turned on under heating mode and set temperature is 16OC (by remote controller), press “ , , , , , ” within 5s, unit will enter into compulsory defrosting mode and send the signal to ODU. When the compulsory defrosting signal from ODU is received, IDU will exit from the compulsory defrosting mode and stop sending the signal to ODU. After ODU receives the compulsory defrosting code, it will start compulsory defrosting. Defrosting frequency and opening angle will be the same as in normal defrosting mode. When compulsory defrosting is finished, the complete unit resumes original status. oC, compressor stops operation and outdoor fan will stop 30s later. Indoor fan operates according to set fan speed. ③ When Tpreset-2 oC ＜Tindoor ambient temperature ＜Tpreset, unit operates according to the previous status. Under cooling mode, 4-way valve is not energized. Temperature setting range is 16~30 7. Auto mode Auto mode is determined by controller of IDU. See IDU logic for details. oC. If compressor stops because of malfunction in cooling mode, indoor fan and swing motor will work according to the original status. 8. 8 oC heating Set temperature is 8 2. Drying mode (1) Working condition and process of drying mode ① When Tindoor ambient temperature ＞Tpreset, unit will be in drying mode. Outdoor fan and compressor start operation while indoor fan will operate at low fan speed. ② When Tpreset-2 oC. Under this mode, “Cold air prevention” function is shielded. If compressor is operating under this mode, fan speed will adjust according to auto fan speed; if compressor stops operation under this mode, indoor fan will be in residual-heat blowing status. oC. Display board of IDU displays 8 oC≤Tindoor ambient temperature≤Tpreset, unit operates according to the previous status. ③ When Tindoor ambient temperature ＜Tpreset-2 When power on, communication light will be blinking in a normal way (after receiving a group of correct signals, blinking stops for 0.2s~0.3s). If theres no communication, communication light will be always on. If other ODU has oC, compressor stops operation and outdoor fan will stop 30s later. (2) Under drying mode, 4-way valve is not energized. Temperature setting range is 16~30 oC. 40 Technical Information
malfunction, communication light will be on for 1s and off for 1s in a circular way. 36K: 1. Basic Functions (1) Cooling Mode 1. Conditions and processes of cooling operation: (1) If the compressor is shut down, and [Tsetup – (Tindoor ambient temperature – Tcooling indoor ambient temperature compensation)] < 0ºC , start up the machine for cooling, the cooling operation will start; (2) During operations of cooling, if 0ºC ≤ [Tsetup – (Tindoor ambient temperature – Tcooling indoor ambient temperature compensation)] < 2ºC , the cooling operation will be still running; (3) During operations of cooling, if 2ºC ≤ [Tsetup – (Tindoor ambient temperature – Tcooling indoor ambient temperature compensation)], the cooling operation will stop after reaching the temperature point. 2. Temperature setting range (1) If Toutdoor ambient temperature ≥ [Tlow-temperature cooling temperature], the temperature can be set at: 16~30ºC (Cooling at room temperature); (2) If Toutdoor ambient temperature < [Tlow-temperature cooling temperature], the temperature can be set at: 25~30ºC (Cooling at low temperature), that is, the minimum setting temperature for outer units judgment is 25ºC . (2) Dehumidifying Mode 1. Conditions and processes of dehumidifying operations: Same as the cooling mode; 2. The temperature setting range is: 16~30ºC ; (3) Air-supplying Mode 1. The compressor, outdoor fans and four-way valves are switched off; 2. The temperature setting range is: 16~30ºC. (4) Heating Mode 1. Conditions and processes of heating operations: (Tindoor ambient temperature is the actual detection temperature of indoor environment thermo-bulb, Theating indoor ambient temperature compensation is the indoor ambient temperature compensation during heating operations) (1) If the compressor is shut down, and [(Tindoor ambient temperature – Theating indoor ambient temperature compensation) –Tsetup] < 0 oC , start the machine to enter into heating operations for heating; (2) During operations of heating, if 0 oC ≤ [(Tindoor ambient temperature – Theating indoor ambient temperature compensation) –Tsetup] < 2 oC, the heating operation will be still running; (3) During operations of heating, if 2ºC ≤ [(Tindoor ambient temperature – Theating indoor ambient temperature compensation) –Tsetup], the heating operation will stop after reaching the temperature point. 2. The temperature setting range in this mode is: 16~30 oC . 3. Special Functions Defrosting Control ①Conditions for starting defrosting After the time for defrosting is judged to be satisfied, if the temperature for defrosting is satisfied after detections for continuous 3minutes, the defrosting operation will start. ② Conditions of finishing defrosting The defrosting operation can exit when any of the conditions below is satisfied: ③ Toutdoor pipe temperature ≥ (Toutdoor ambient temperature – [Ttemperature 1 of finishing defrosting]; ④ The continuous running time of defrosting reaches [tmax. defrosting time]. 4. Control Logic (1) Compressor Control Start the compressor after starting cooling, heating, dehumidifying 41 Technical Information operations, and the outer fans start for 5s; When the machine is shutdown, in safety stops and when switching to air-supplying mode, the compressor will stop immediately. In all modes: once the compressor starts up, it will not be allowed to stop until having run for the [tmin. compressor running time] (Note: including cases of shutdown when the temperature point is reached; except the cases requiring stopping the compressor such as fault protection, remote shutdown, mode switching etc.); In all modes: once the compressor stops, it will be allowed be restart after 3-minute delay (Note: The indoor units have a function of power memory, the machine can be restarted after remote shutdown and powering up again without delay). 1. Cooling mode Start the machine to enter into cooling operation for cooling, the compressor is switched on. 2. Dehumidifying mode Same as the cooling mode. 3. Air-supplying mode The compressor is switched off. 4. Heating mode (1) Start the machine to enter into heating operation for heating, the compressor is switched on. (2) Defrosting: a. Defrosting starts: the compressor is shut down, and restarts it after 55-second delay. b. Defrosting ends: the compressor stops, then starts it after 55-second delay. (2) Outer Fans Control Notes: Only the outer fans run for at least 80s in each air flow speed can the air flow be switched; After the outer fans run compulsively in high speed for 80s when the machine starts up, control the air flow according to the logic. After remote shutdown, safety stops, and when the machine stops after reaching the temperature point, as well as after the compressor stops, extend 1 minute, the outer fans will stop (During the period in the 1 minute, the air flow of outer fans can be changed according to the outdoor ambient temperature changes); When running with force, the outdoor fans shall run in the highest air flow. (3) 4-way valve control 1. The 4-way valve control under the modes of Cooling, dehumidification and supplying air: closing; 2. The status of 4-way valve control under the heating mode: getting power; (1) 4-way valve power control under heating mode a. Starts the machine under heating mode, the 4-way valve will get power immediately. (2) 4-way valve power turn-off control under heating mode a. When you should turn off the power or switch to other mode under heating mode, the power of 4-way valve will be cut after 2 minutes of the compressor stopped. b. When all kinds of protection stops, the power of 4-way valve will be cut after delaying 4 minutes. (3) Defrosting control under heating mode: a. Defrosting begins: The power of 4-way valve will be cut after 50s of entering into the defrosting compressor. b. Defrosting stops: The 4-way valve will get power after 50s of exiting the defrosting compressor. (4) Evaporatorrozen-preventing protection function 1. Starting estimation: When the indoor unit is running 6 minutes (the compressor is turned on), the Tinner pipe≤[Tfrozen-preventing stop(the temperature of hysteresis is 2 )] is detected in 3 minutes., then enter the frozen- preventing protection. 2. Frequency limited When the indoor unit enters frozen-preventing protection,
according to cooling reaches temperature point stop. (5) Compressor overloads protection If you measure the compressor overload switch action in 3s, the compressor should be stopped for overloading. The machine should be allowed to operate after overload protection was measured to resume. If the overloading protection continuously occurs for three times, it should not be resumed automatically, and you should press the ON/OFF button to resume. The protection times of compressor is allowed to clear after the compressor run [t Protection times clearing of compressor overloading] 30 minutes. (6)Communication fault When you have not received any correct signal from the inner machine in three minutes, the machine will stop for communication fault. When you have not received any correct signal from driver IC (aim to the controller for the separating of main control IC and driver IC), and the machine will stop for communication fault. If the communication is resumed, the machine will be allowed to operate. (7) Module protection Testing the module protective signal immediately after started, once the module protective signal is measured, stop the machine with module protection immediately. If the module protection is resumed, the machine will be allowed to operate. If the module protection continuously occurs for three times, it should not be resumed automatically, and you should press the ON/OFF button to resume. If the running time of compressor exceeds the [tProtection times clearing of module] , the module protection is cleared to recount. (9) Module overheating protection 1. Starting estimation: After the compressor stopped working for 180s, if TModule<[TModule frequency limited temperature], the machine is allowed to start, otherwise it should not be started, and should be stopped to treat according to the module overheating protection: The machine should be stopped or transferred to supply air, the trouble should be cleared immediately, and the protection times are not counted. 2. Frequency limited If [TLimited frequency temperature of module] ≤TModule <[Tfrequency reducing temperature at normal speed of module] , you should limit the frequency raising of compressor. 3. Reducing frequency at normal speed and power turn-off: If [Tfrequency reducing temperature at normal speed of module] ≤TModule<[Tfrequency reducing temperature at high speed of module], you should adjust the compressor frequency by reducing 8Hz/90s till the lower limit; After it was running 90s at the lower limit, if [Tfrequency reducing temperature at normal speed of module] ≤TModule, you should stop the machine for module overheating protection; 4. Reducing frequency at high speed and power turn-off: If [Tfrequency reducing temperature at high speed of module]≤TModule <[TPower turn-off temperature of module] you should adjust the compressor frequency by reducing 30Hz/90s till the lower limit; After it was running 90s at the lower limit, if [Tfrequency reducing temperature at normal speed of module] ≤TModule, you should stop the machine for module overheating protection; 5. Power turn-off: If the [TPower turn-off temperature of module] ≤TModule, you should stop the machine for module overheating protection; If TModule <[TLimited frequency temperature of module] and the compressor has been stopped for 3 minutes, the machine should be allowed to operate. 6. If protection continuously occurs for six times, it should not be resumed automatically, and you should press the ON/OFF button to resume.During the process of running, if the running time of compressor exceeds the [t Protection times clearing of module] , the discharge protection is cleared to recount. Stopped or transferred to supply air mode will clear the trouble times immediately (if the trouble can not be resumed, mode transferring also will not clear it). (10)Phase current overcurrent protection of compressor 42 Technical Information During the running process of compressor, you could measure the phase current of the compressor, and control it according to the following steps: 1. Frequency limited If [ILimited frequency phase current] ≤[IPhase current T frequency reducing phase current] , you should limit the frequency raising of compressor. 2. Reducing Frequency If [IFrequency Reducing Phase Current]≤IPhase Current<[IPower Turn-Off Phase Current], the compressor shall continue to reduce frequency till the lowest frequency limit or out of the condition of reducing frequency; 3. Power turn-off If [I Phase Current]≥[I Power Turn-Off Phase Current], the compressor phase current shall stop working for overcurrent protection; if [I Phase Current]≤[I Frequency Reducing Phase Current], and the compressor have stopped working for 3 min, the machine shall be allowed to operate; 4. If the overcurrent protection of compressor phase current continuously occurs for six times, it should not be resumed automatically, and you should press the ON/OFF button to resume. During the process of running, if the running time of compressor exceeds the [t Clearing Time of Compressor Phase Current Times] , the overcurrent protection is cleared to recount. (11) Starting-up Failure Protection for Compressor Stop the compressor after its starting-up fails, restart it after 20s if the fault doesn’t shows, and if they are all failing for the successive start 3 times, it shall be reported as Starting-up Failure, and then restart up it after 3 min. When it still not be able to operate through carry out the above process for 5 times, it is available if press ON/ OFF. And the compressor should be cleared the times after it run 2 min. (12) Out-of-Step Protection for Compressor The out-of-step protection signal should be detected immediately after starting-up compressor, and once find the out-of-step protection signal, the out-of-step protection shall be stopped; if it can run for lasting power turn-off 3 min, the machine shall be allowed to operate. If it still can’t run automatically when the out- of-step protection for compressor happens to stop working for 6 times in succession, it needs to press ON/OFF to operate. And if the running time is more than 10 min, the power turn-off times for out-of-step protection shall be cleared and recounted. (13) Voltage Abnormity Protection for DC Bus To detect voltage abnormity protection for dc bus after completing the pre-charge: 1. Over-Low Voltage Protection for DC Bus: When the compressor is running, the DC bus voltage is detected. If the PFC is not opened, the bus voltage is smaller than the VPFC does not open the undervoltage protection valuetime, if the PFC is turned on, the bus voltage is smaller than the VPFC Open undervoltage protection value Times Under voltage protection, under pressure protection, the compressor is closed, and the PFC is closed, and the compressor will clear the fault sign after 3 minutes. 2.Over-High Voltage Protection for DC Bus When the compressor is running, if the DC bus voltage is detected is greater than the VPFC output protection value, the voltage protection is reported, the stopper, the PFC, and the compressor will clear the fault flag after 3 minutes. (14) Abnormity Protection for Four-way Valve Under the model of heating operation in good condition: the compressor is detected [TInner Tube <(TInner Ring-T Abnormity Temperature Difference For Four-Way Valve Reversion)], during the running, it should be regarded as four-way valve reversion abnormity. And then it can run if stop the reversion abnormity protection for four-way valve 3 min; and if it still can’t run when the reversion abnormity protection for four- way valve happens to stop working for 3 times in succession, it is available if presses ON/OFF. Attention: the protection shall be shielded during the testing mode and defrosting process, and it shall be cleared out the failure and
its times immediately when turning off or delivering wind / cooling / dehumidifying mode conversed (the inverted mode don’t clear out the failure when it can’t recover to operate). (15) PFC Protection 1. After start up the PFC, it should detect the protection signal of PFC immediately; under the condition of PFC protection, it should turn off the PFC and compressor at one time; 2. It shows the failure is cleared out if PFC Protection stopped working 3 min and recovers to run automatically; 3. If it still can’t run when it occurs PFC protection for 3 times in succession, it is available if presses ON/OFF; and clear the PFC Protection times when start up PFC for 10min. (16) Failure Detection for Sensor 1. Outdoor Ambient Sensor: detect the failure of sensor at all times. 2. Outdoor Tube Sensor: You should not detect the failure of outdoor tube sensor within 10 minutes heating operation compressor except the defrosting, and you could detect it at other time. 3. Outdoor Exhaust Sensor: (a) The compressor only detect the sensor failure after it start up 3 min in normal mode; (b) It should detect the exhaust sensor failure immediately in the testing mode. 4. Module Temperature Sensor: (a) Short-Circuit Detection: the compressor should be detected immediately when the module temperature sensor occurs short-circuits; (b) Open-Circuit Detection: the compressor should be detected on open-circuit when it runs 3min (it needn’t 30s avoiding the module over-heated). (c) Detect the sensor failure at all times in the testing mode. 5. Disposal for Sensor Protection (1) When the short-circuit of sensor is detected within 30s, It is regarded as the temperature of sensor over-high (or infinitely high), and now according to the over-high sensor, the machine should carry out the corresponding protection to stop working, and show the corresponding temperature shutdown protection and sensor failure at the same time (for example: the compressor stops immediately when the outdoor tube sensor short-circuit, and the machine shall show the overload protection and outdoor tube sensor failure). (2) When the open-circuit of sensor is detected within 30s, The protection shall be stopped and it shall show the corresponding sensor failure. 6. Electric Heating Function of Chassis (1) When Toutdoor amb.≤0 , the electric heating of chassis will operate; (2) When Toutdoor amb.>2 , the electric heating of chassis will stop operation; (3)When 0 <Toutdoor amb.≤2 , the electric heating of chassis will keep original status. 7. Electric Heating Function of Compressor (1) When Toutdoor amb.≤≤-5 , compressor stops operation, while the electric heating of compressor starts operation; (2) When Toutdoor amb.>-2 , the electric heating of compressor stops operation; (3) When -5 <Toutdoor amb.≤-2 , the electric heating of compressor will keep original status. 43 Technical Information
7. Notes for Installation and Maintenance Safety Precautions: Important! Please read the safety precautions carefully before installation and maintenance. The following contents are very important for installation and maintenance. Please follow the instructions below. ●The installation or maintenance must accord with the instructions. ●Comply with all national electrical codes and local electrical codes. ●Pay attention to the warnings and cautions in this manual. ●All installation and maintenance shall be performed by distributor or qualified person. ●All electric work must be performed by a licensed technician according to local regulations and the instructions given in this manual. ●Be caution during installation and maintenance. Prohibit incorrect operation to prevent electric shock, casualty and other accidents. WARNINGS Electrical Safety Precautions: 1. Cut off the power supply of air conditioner before checking and maintenance. 2. The air condition must apply specialized circuit and prohibit share the same circuit with other appliances. 3. The air conditioner should be installed in suitable location and ensure the power plug is touchable. 4. Make sure each wiring terminal is connected firmly during installation and maintenance. 5. Have the unit adequately grounded. The grounding wire cant be used for other purposes. 6. Must apply protective accessories such as protective boards, cable-cross loop and wire clip. 7. The live wire, neutral wire and grounding wire of power supply must be corresponding to the live wire, neutral wire and grounding wire of the air conditioner. 8. The power cord and power connection wires cant be pressed by hard objects. 9. If power cord or connection wire is broken, it must be replaced by a qualified person. 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire from the manufacture or distributor. Prohibit prolong the wire by yourself. 44 Installation and Maintenance 11. For the air conditioner without plug, an air switch must be installed in the circuit. The air switch should be all-pole parting and the contact parting distance should be more than 3mm. 12. Make sure all wires and pipes are connected properly and the valves are opened before energizing. 13. Check if there is electric leakage on the unit body. If yes, please eliminate the electric leakage. 14. Replace the fuse with a new one of the same specification if it is burnt down; dont replace it with a cooper wire or conducting wire. 15. If the unit is to be installed in a humid place, the circuit breaker must be installed. Installation Safety Precautions: 1. Select the installation location according to the requirement of this manual.(See the requirements in installation part) 2. Handle unit transportation with care; the unit should not be carried by only one person if it is more than 20kg. 3. When installing the indoor unit and outdoor unit, a sufficient fixing bolt must be installed; make sure the installation support is firm. 4. Ware safety belt if the height of working is above 2m. 5. Use equipped components or appointed components during installation. 6. Make sure no foreign objects are left in the unit after finishing installation. Refrigerant Safety Precautions: 1. When refrigerant leaks or requires discharge during installation, maintenance, or disassembly, it should be handled by certified professionals or otherwise in compliance with local laws and regulations. 2.Avoid contact between refrigerant and fire as it generates poisonous gas; Prohibit prolong the connection pipe by welding. 3. Apply specified refrigerant only. Never have it mixed with any other refrigerant. Never have air remain in the refrigerant line as it may lead to rupture or other hazards. 4. Make sure no refrigerant gas is leaking out when installation is completed. 5. If there is refrigerant leakage, please take sufficient measure to minimize the density of refrigerant. 6. Never touch the refrigerant piping or compressor without wearing glove to avoid scald or frostbite. Improper installation may lead to fire hazard, explosion, electric shock or injury.
Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. WARNINGS WARNINGS 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury. 2.When installing or moving this unit, do not charge the refrigerant which is not comply with that on the nameplate or unqualified refrigerant. Otherwise, it may cause abnormal operation, wrong action, mechanical malfunction or even series safety accident. 3.When refrigerant needs to be recovered during relocating or repairing the unit, be sure that the unit is running in cooling mode.Then, fully close the valve at high pressure side (liquid valve).About 30-40 seconds later, fully close the valve at low pressure side (gas valve), immediately stop the unit and disconnect power. Please note that the time for refrigerant recovery should not exceed 1 minute. If refrigerant recovery takes too much time, air may be sucked in and cause pressure rise or compressor rupture, resulting in injury. 4.During refrigerant recovery, make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection pipe. If compressor starts running when stop valve is open and connection pipe is not yet connected, air will be sucked in and cause pressure rise or compressor rupture, resulting in injury. 45 Installation and Maintenance 5.When installing the unit, make sure that connection pipe is securely connected before the compressor starts running. If compressor starts running when stop valve is open and connection pipe is not yet connected, air will be sucked in and cause pressure rise or compressor rupture, resulting in injury. 6.Prohibit installing the unit at the place where there may be leaked corrosive gas or flammable gas. If there leaked gas around the unit, it may cause explosion and other accidents. 7.Do not use extension cords for electrical connections. If the electric wire is not long enough, please contact a local service center authorized and ask for a proper electric wire. Poor connections may lead to electric shock or fire. 8.Use the specified types of wires for electrical connections between the indoor and outdoor units. Firmly clamp the wires so that their terminals receive no external stresses. Electric wires with insufficient capacity, wrong wire connections and insecure wire terminals may cause electric shock or fire.
Main Tools for Installation and Maintenance Level meter Measuring tape Drill head Electric drill Torque wrench Open-end wrench Inner hexagon Vacuum pump Pressure meter Pipe cutter Pipe bender Pipe expander Electronic scale Refrigerant container 46 Installation and Maintenance Screw driver Impact drill Electroprobe Universal meter Electronic leakage detector spanner Pipe pliers Pipe pliers Soldering appliance
8. Installation 8.1 Installation Dimension Diagram Space to the ceiling At least 15cm Space to the wall At least 15cm At least 15cm Space to the wall At least 300cm Space to the obstruction Space to the floor At least 250cm Space to the obstruction At least 50cm Space to the obstruction At least 30cm Drainage pipe Space to the wall At least 30cm Space to the obstruction Space to the obstruction At least 50cm At least 200cm 47 Installation and Maintenance
Installation Procedures 48 Installation and Maintenance Start installation Preparation before installation Prepare tools Read the requirements for electric connection select installation location Select indoor unit installation location Select outdoor unit installation location Install the support of outdoor unit (select it according to the actual situation) Install wall-mounting frame, drill wall holes Connect pipes of indoor unit and drainage pipe Fix outdoor unit Install drainage joint of outdoor unit (only for cooling and heating unit) Connect wires of indoor unit Bind up pipes and hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Connect pipes of outdoor unit Connect wires of outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note: this flow is only for reference; please find the more detailed installation steps in this section.
8.2 Installation Parts-checking No. Name 1 Indoor unit 2 Outdoor unit 3 Connection pipe 4 Drainage pipe 5 Wall-mounting frame 6 Connecting cable(power cord) 7 Wall pipe 8 Sealing gum 9 Wrapping tape 10 Support of outdoor unit 11 Fixing screw 12 Drainage plug(cooling and heating unit) 13 Owners manual, remote controller Note: 1.Please contact the local agent for installation. 2.Dont use unqualified power cord. 8.3 Selection of Installation Location 1. Basic Requirement: Installing the unit in the following places may cause malfunction. If it is unavoidable, please consult the local dealer: (1) The place with strong heat sources, vapors, flammable or explosive gas, or volatile objects spread in the air. (2) The place with high-frequency devices (such as welding machine, medical equipment). (3) The place near coast area. (4) The place with oil or fumes in the air. (5) The place with sulfureted gas. (6) Other places with special circumstances. (7) The appliance shall nost be installed in the laundry. (8) It’s not allowed to be installed on the unstable or motive base structure(such as truck) or in the corrosive environment (such as chemical factory). 2. Indoor Unit: (1) There should be no obstruction near air inlet and air outlet. (2) Select a location where the condensation water can be dispersed easily andwont affect other people. (3) Select a location which is convenient to connect the outdoor unit and near the power socket. (4) Select a location which is out of reach for children. (5) The location should be able to withstand the weight of indoor unit and wont increase noise and vibration. (6) The appliance must be installed 2.5m above floor. (7) Dont install the indoor unit right above the electric appliance. (8) Please try your best to keep way from fluorescent lamp. 49 Installation and Maintenance 3. Outdoor Unit: (1) Select a location where the noise and outflow air emitted by the outdoor unit will not affect neighborhood. (2) The location should be well ventilated and dry, in which the outdoor unit wont be exposed directly to sunlight or strong wind. (3) The location should be able to withstand the weight of outdoor unit. (4) Make sure that the installation follows the requirement of installation dimension diagram. (5) Select a location which is out of reach for children and far away from animals or plants.If it is unavoidable, please add fence for safety purpose. 8.4 Electric Connection Requirement 1. Safety Precaution (1) Must follow the electric safety regulations when installing the unit. (2) According to the local safety regulations, use qualified power supply circuit and air switch. (3) Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring may result in electric shock,fire hazard or malfunction. Please install proper power supply cables before using the air conditioner. (4) Properly connect the live wire, neutral wire and grounding wire of power socket. (5) Be sure to cut off the power supply before proceeding any work related to electricity and safety. (6) Do not put through the power before finishing installation. (7) If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard . (8) The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube. (9) The appliance shall be installed in accordance with national wiring regulations. 2. Grounding Requirement: (1) The air conditioner is the first class electric appliance.It must be properly grounding with specialized grounding device by a professional. Please make sure it is always grounded effectively,otherwise it may cause electric shock. (2) The yellow-green wire in air conditioner is grounding wire, which cant be used for other purposes. (3) The grounding resistance should comply with national electric safety regulations. (4) The appliance must be positioned so that the plug is accessible. (5) An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be connected in fixed wiring. (6) Including an air switch with suitable capacity, please note the following table. Air switch should be included magnet buckle and heating buckle function, it can protect the circuit-short and overload. (Caution: please do not use the fuse only for protect the circuit)
4. Outlet Pipe 2) 12K 10A 3G1.0 18K 16A 3G1.5 24~36K 25A 3G2.5 Model Air switch capacity Power cord(mm (1) The pipe can be led out in the direction of right, rear right, left or rear left.(As show in Fig.3) (2) When selecting leading out the pipe from left or right, please cut off the corresponding hole on the bottom case.(As show in Fig.4) 8.5 Installation of Indoor Unit 1. Choosing Installation Iocation Left Right Recommend the installation location to the client and then confirm it with the client. Cut off the hole Left Rear left 2. Install Wall-mounting Frame Right Rear right (1) Hang the wall-mounting frame on the wall; adjust it in horizontal position with the level meter and then point out the screw fixing holes on the wall. Fig.3 Fig.4 5. Connect the Pipe of Indoor Unit (2) Drill the screw fixing holes on the wall with impact drill (the specification of drill head should be the same as the plastic expansion particle) and then fill the plastic expansion particles in the holes. (1) Aim the pipe joint at the corresponding bellmouth.(As show in Fig.5) (2) Pretightening the union nut with hand. (3) Fix the wall-mounting frame on the wall with tapping screws and then check if the frame is firmly installed by pulling the frame. If the plastic expansion particle is loose, please drill another fixing hole nearby. (3) Adjust the torque force by referring to the following sheet. Place the open-end wrench on the pipe joint and place the torque wrench on the union nut. Tighten the union nut with torque wrench.(As show in Fig.6) 3. Install Wall-mounting Frame (4) Wrap the indoor pipe and joint of connection pipe with insulating pipe, and then wrap it with tape.(As show in Fig.7) (1) Choose the position of piping hole according to the direction of outlet pipe. The position of piping hole should be a little lower than the wall-mounted frame,shown as below.(As show in Fig.1) Open-end wrench Mark in the middle of it Wall Union nut Union nut Pipe joint Pipe Space Pipe Torque wrench Wall to the Space wall above 150mm Left to the wall above 150mm Indoor pipe Fig.5 Fig.6 Right Level meter (Rear piping hole) (For some models) (Rear piping hole) Fig.1 (2) Open a piping hole with the diameter of Φ55mm or Φ70mm on the selected outlet pipe position. In order to drain smoothly, slant the piping hole on the wall slightly downward to the outdoor side with the gradient of 5-10°.(As show in Fig.2) Insulating pipe Fig.7 Refer to the following table for wrench moment of force: Indoor Outdoor Piping size(inch) Tightening torque(N.m) 1/4 15~20 5-10° Φ55/70mm 3/8 30~40 Fig.2 1/2 45~55 5/8 60~65 Note: 3/4 70~75 Pay attention to dust prevention and take relevant safety measures when opening the hole. 50 Installation and Maintenance
6. Install Drain Hose (1) Connect the drain hose to the outlet pipe of indoor unit.(As show in Fig.8) N(1) 2 3 (2) Bind the joint with tape.(As show in Fig.9) blue black brown yellow- green Outdoor unit connection Drain hose Outlet pipe Fig.13 Note: The wiring connect is for reference only, please refer to the actual one. Drain hose Outlet Tape pipe (4) Put wiring cover back and then tighten the screw. Fig.8 Fig.9 (5) Close the panel. Note: WARNING (1) All wires of indoor unit and outdoor unit should be connected by a professional. (1) Add insulating pipe in the indoor drain hose in order to prevent condensation. (2) If the length of power connection wire is insufficient, please contact the supplier for a new one. Avoid extending the wire by yourself. (2) The plastic expansion particles are not provided. (As show in Fig.10) (3) For the air conditioner with plug, the plug should be reachable after finishing installation. Drain hose (4) For the air conditioner without plug, an air switch must be installed in the line. The air switch should be all-pole parting and the contact parting distance should be more than 3mm. Insulating pipe 8. Bind up Pipe Fig.10 (1) Bind up the connection pipe, power cord and drain hose with the band.(As show in Fig.14) 7. Connect Wire of Indoor Unit (2) Reserve a certain length of drain hose and power cord for installation when binding them. When binding to a certain degree, separate the indoor power and then separate the drain hose.(As show in Fig.15) (1) Open the panel, remove the screw on the wiring cover and then take down the cover.(As show in Fig.11) (3) Bind them evenly. Panel Screw (4) The liquid pipe and gas pipe should be bound separately at the end. Indoor and outdoor power cord Indoor unit Gas pipe Wiring cover Fig.11 (2) Make the power connection wire go through the cable-cross hole at the back of indoor unit and then pull it out from the front side.(As show in Fig.12) Liquid pipe Drain hose Band Fig.14 Cable-cross hole Drain hose Band Connection pipe Power connection wire Fig.12 (3) Remove the wire clip; connect the power connection wiresignal control wire (only for cooling and heating unit) to the wiring terminal according to the color; tighten the screw and then fix the power connection wire with wire clip.(As show in Fig.13) Indoor power cord Fig.15 51 Installation and Maintenance
NOTICE: (1) The power cord and control wire cant be crossed or winding. (2) The drain hose should be bound at the bottom. 9. Hang the Indoor Unit (1) Put the bound pipes in the wall pipe and then make them pass through the wall hole. (2) Hang the indoor unit on the wall-mounting frame. (3) Stuff the gap between pipes and wall hole with sealing gum. (4) Fix the wall pipe.(As show in Fig.16) (5) Check if the indoor unit is installed firmly and closed to the wall.(As show in Fig.17) Indoor Outdoor Wall pipe Sealing gum Lower hook of wall-mounting frame Fig.16 Fig.17 NOTICE: Do not bend the drain hose too excessively in order to prevent blocking. 8.6 Installation of Outdoor unit 1. Fix the Support of Outdoor Unit(Select it according to the actual installation situation) (1) Select installation location according to the house structure. (2) Fix the support of outdoor unit on the selected location with expansion screws. NOTICE: (1) Take sufficient protective measures when installing the outdoor unit. (2) Make sure the support can withstand at least four times the unit weight. (3) The outdoor unit should be installed at least 3cm above the floor in order to install drain joint.(As show in Fig.18) (4) For the unit with cooling capacity of 2300W~5000W, 6 expansion screws are needed; for the unit with cooling capacity of 6000W~8000W, 8 expansion screws are needed; for the unit with cooling capacity of 10000W~16000W, 10 expansion screws are needed. 52 Installation and Maintenance Drain vent Chassis Outdoor drain joint Drain hose At least 3cm above the floor Fig.18 Fig.19 2. Install Drain Joint(Only for cooling and heating unit) (1) Connect the outdoor drain joint into the hole on the chassis. (2) Connect the drain hose into the drain vent. (As show in Fig.19) 3. Fix Outdoor Unit Upper hook (1) Place the outdoor unit on the support. (2) Fix the foot holes of outdoor unit with bolts. (As show in Fig.20) Foot holes Handle Foot holes Valve cover Fig.20 Fig.21 4. Connect Indoor and Outdoor Pipes (1) Remove the screw on the handle and valve cover of outdoor unit, then remove them.(As show in Fig.21) (2) Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe.(As show in Fig.22) Liquid pipe Pipe joint Liquid valve gas pipe Union nut gas valve Fig.22 (3) Pretightening the union nut with hand. (4) Tighten the union nut with torque wrench . Refer to the following table for wrench moment of force: Piping size(inch) Tightening torque(N.m) 1/4 15~20 3/8 30~40 1/2 45~55 5/8 60~65 3/4 70~75
5. Connect Outdoor Electric Wire (1) Remove the wire clip; connect the power connection wire and signal control wire (only for cooling and heating unit) to the wiring terminal according to the color; fix them with screws.(As show in Fig.23) The drain hose can't be fluctuant 12/18/24K The water outlet can't be placed in water The drain hose can't be fluctuant The water outlet can't be fluctuant N(1) 2 3 blue black brown yellow- green Fig.26 Fig.27 Indoor unit connection 30/36K N(1) 2 L(3) 8.7 Vacuum Pumping and Leak Detection yellow- green brown yellow- green blue black brown blue (black) 1. Use Vacuum Pump N Indoor unit connection L POWER (1) Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent. Fig.23 *The wiring connect is for reference only, please refer to the actual one. (2) Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump. (2) Fix the power connection wire and signal control wire with wire clip (only for cooling and heating unit). (3) Open the piezometer completely and operate for 10-15min to check if the pressure of piezometer remains in -0.1MPa. NOTICE: (4) Close the vacuum pump and maintain this status for 1-2min to check if the pressure of piezometer remains in -0.1MPa. If the pressure decreases, there may be leakage. (1) After tightening the screw, pull the power cord slightly to check if it is firm. (5) Remove the piezometer, open the valve core of liquid valve and gas valve completely with inner hexagon spanner. (2) Never cut the power connection wire to prolong or shorten the distance. (6) Tighten the screw caps of valves and refrigerant charging vent.(As show in Fig.28) 6. Neaten the Pipes (1) The pipes should be placed along the wall, bent reasonably and hidden possibly. Min. semidiameter of bending the pipe is 10cm. Liquid valve Piezometer Lo Hi Gas valve (2) If the outdoor unit is higher than the wall hole, you must set a U-shaped curve in the pipe before pipe goes into the room, in order to prevent rain from getting into the room.(As show in Fig.24) Valve cap Refrigerant charging vent Nut of refrigerant Charging vent Vacuum pump The drain hose can't raise upwards. Inner hexagon spanner Wall Open Close U-shaped curve Drain hose Fig.24 Fig.25 Fig.28 NOTICE: 2. Leakage Detection (1) The through-wall height of drain hose shouldnt be higher than the outlet pipe hole of indoor unit.(As show in Fig.25) (1) With leakage detector: Check if there is leakage with leakage detector. (2) Slant the drain hose slightly downwards. The drain hose cant be curved, raised and fluctuant, etc.(As show in Fig.26) (2) With soap water: If leakage detector is not available, please use soap water for leakage detection. Apply soap water at the suspected position and keep the soap water for more than 3min. If there are air bubbles coming out of this position, there's a leakage. (3) The water outlet cant be placed in water in order to drain smoothly.(As show in Fig.27) 53 Installation and Maintenance
8.8 Check after Installation and Test operation 1. Check after Installation Check according to the following requirement after finishing installation. NO. Items to be checked Possible malfunction 1 Has the unit been installed firmly? 2 Have you done the refrigerant leakage test? 3 Is heat insulation of pipeline sufficient? 4 Is water drained well? It may cause condensation and water dripping. Is the voltage of power supply according to the voltage marked on the nameplate? 5 6 Is electric wiring and pipeline installed correctly? 7 Is the unit grounded securely? 8 Does the power cord follow the specification? 9 Is there any obstruction in air inlet and air outlet? 10 The dust and sundries caused during installation are removed? 11 The gas valve and liquid valve of connection pipe are open completely? 12 Is the inlet and outlet of piping hole been covered? 2. Test Operation (1) Preparation of test operation ● The client approves the air conditioner installation. ● Specify the important notes for air conditioner to the client. (2) Method of test operation ● Put through the power, press ON/OFF button on the remote controller to start operation. ● Press MODE button to select AUTO, COOL, DRY, FAN and HEAT to check whether the operation is normal or not. ● If the ambient temperature is lower than 16 oC, the air conditioner cant start cooling. 54 Installation and Maintenance The unit may drop, shake or emit noise. It may cause insufficient cooling (heating) capacity. It may cause condensation and water dripping. It may cause malfunction or damage the parts. It may cause malfunction or damage the parts. It may cause electric leakage. It may cause malfunction or damage the parts. It may cause insufficient cooling (heating) capacity. It may cause malfunction or damaging the parts. It may cause insufficient cooling (heating) capacity. It may cause insufficient cooling(heating) capacity or waster eletricity.
9. Maintenance 9.1 Error Code List Display Method Malfunction of Indoor Unit A/C Status Name (Error Code) During cooling and drying operation, except indoor fan operates, all loads stop operation. During heating operation, the complete unit stops. High pressure protection of system E1 1. Poor air-return in indoor unit; 2. Fan speed is abnormal; 3. Evaporator is dirty. System block or refrigerant leakage During cooling and drying operation, compressor and outdoor fan stop while indoor fan operates. Antifreezing protection E2 The Dual-8 Code Display will show E3 until the low pressure switch stop operation. E3 High discharge temperature protection of compressor During cooling and drying operation, compressor and outdoor fan stop while indoor fan operates. During heating operation, all loads stop. E4 During cooling and drying operation, compressor and outdoor fan stop while indoor fan operates. During heating operation, all loads stop. Overcurrent protection E5 During cooling operation, compressor stops while indoor fan motor operates. During heating operation, the complete unit stops. Communi- cation Malfunction E6 High temperature resistant protection During cooling operation: compressor will stop while indoor fan will operate. During heating operation, the complete unit stops. E8 During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop EEPROM malfunction EE Limit/decrease frequency due to high temperature of module EU All loads operate normally, while operation frequency for compressor is decreased Malfunction protection of jumper cap C5 Wireless remote receiver and button are effective, but can not dispose the related command When the outdoor unit receive signal of Gathering refrigerant ,the system will be forced to run under cooling mode for gathering refrigerant Gathering refrigerant F0 1. Loosening or bad contact of indoor ambient temp. sensor and mainboard terminal. 2. Components in mainboard fell down leads short circuit. 3. Indoor ambient temp. sensor damaged.(check with sensor resistance value chart) 4. Mainboard damaged. Indoor evaporator temperature sensor is open/short circuited Indoor ambient temperature sensor is open/short circuited During cooling and drying operation, indoor unit operates while other loads will stop; during heating operation, the complete unit will stop operation. F1 AC stops operation once reaches the setting temperature. Cooling, drying: internal fan motor stops operation while other loads stop operation; heating: AC stop operation F2 55 Installation and Maintenance Possible Causes(For specific maintenance method, please refer to the following procedure of troubleshooting) Possible reasons: 1. Refrigerant was superabundant; 2. Poor heat exchange (including filth blockage of heat exchanger and bad radiating environment ); Ambient temperature is too high. 1.Low-pressure protection 2.Low-pressure protection of system 3.Low-pressure protection of compressor Please refer to the malfunction analysis (discharge protection, overload). 1. Supply voltage is unstable; 2. Supply voltage is too low and load is too high; 3. Evaporator is dirty. Refer to the corresponding malfunction analysis. Refer to the malfunction analysis (overload, high temperature resistant). Replace outdoor control panel AP1 Discharging after the complete unit is de-energized for 20mins, check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly. If its no use, please replace control panel AP1. 1. No jumper cap insert on mainboard. 2. Incorrect insert of jumper cap. 3. Jumper cap damaged. 4. Abnormal detecting circuit of mainboard. Nominal cooling mode 1. Loosening or bad contact of Indoor evaporator temp. sensor and mainboard terminal. 2. Components on the mainboard fall down leads short circuit. 3. Indoor evaporator temp. sensor damaged.(check temp. sensor value chart for testing) 4. Mainboard damaged.
During cooling and drying operating, compressor stops while indoor fan operates; During heating operation, the complete unit will stop operation Outdoor ambient temperature sensor is open/short circuited F3 During cooling and drying operation, compressor stops while indoor fan will operate; During heating operation, the complete unit will stop operation. Outdoor condenser temperature sensor is open/short circuited F4 During cooling and drying operation, compressor will sop after operating for about 3 mins, while indoor fan will operate; During heating operation, the complete unit will stop after operating for about 3 mins. Outdoor discharge temperature sensor is open/short circuited F5 Limit/decrease frequency due to overload F6 All loads operate normally, while operation frequency for compressor is decreased Decrease frequency due to overcurrent F8 All loads operate normally, while operation frequency for compressor is decreased Decrease frequency due to high air discharge F9 All loads operate normally, while operation frequency for compressor is decreased Limit/decrease frequency due to antifreezing FH All loads operate normally, while operation frequency for compressor is decreased Poor air-return in indoor unit or fan speed is too low During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop operation. Voltage for DC bus- bar is too high PH 1. Measure the voltage of position L and N on wiring board (XT), if the voltage is higher than 150VAC, turn on the unit after the supply voltage is increased to the normal range. 2.If the AC input is normal, measure the voltage of electrolytic capacitor C on control panel (AP1), if its normal, theres malfunction for the circuit, please replace the control panel (AP1) Compressor Min frequence in test state P0 Showing during min. cooling or min. heating test During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop Voltage of DC bus-bar is too low PL Compressor rated frequence in test state P1 Showing during nominal cooling or nominal heating test Compressor maximum frequence in test state P2 Showing during max. cooling or max. heating test Compressor intermediate frequence in test state P3 Showing during middle cooling or middle heating test During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop operation. Overcurrent protection of phase current for compressor P5 During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop Charging malfunction of capacitor PU 56 Installation and Maintenance Outdoor temperature sensor hasnt been connected well or is damaged. Please check it by referring to the resistance table for temperature sensor) Outdoor temperature sensor hasnt been connected well or is damaged. Please check it by referring to the resistance table for temperature sensor) 1.Outdoor temperature sensor hasnt been connected well or is damaged. Please check it by referring to the resistance table for temperature sensor) 2.The head of temperature sensor hasnt been inserted into the copper tube Refer to the malfunction analysis (overload, high temperature resistant) The input supply voltage is too low; System pressure is too high and overload Overload or temperature is too high; Refrigerant is insufficient; Malfunction of electric expansion valve (EKV) 1. Measure the voltage of position L and N on wiring board (XT), if the voltage is higher than 265VAC, turn on the unit after the supply voltage is increased to the normal range. 2.If the AC input is normal, measure the voltage of electrolytic capacitor C on control panel (AP1), if its normal, theres malfunction for the circuit, please replace the control panel (AP1) Refer to the malfunction analysis (IPM protection, loss of synchronism protection and overcurrent protection of phase current for compressor. Refer to the part three—charging malfunction analysis of capacitor
During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop Malfunction of module temperature sensor circuit P7 During cooling operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop Module high temperature protection P8 During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop operation. Overload protection for compressor H3 During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop operation. IPM protection H5 Malfunction of zero- cross detection circuit U8 The complete unit stops 1.Power supply is abnormal; 2.Detection circuit of indoor control mainboard is abnormal. Internal fan motor, external fan motor, compressor and electric heater stop operation,guide louver stops at present location. Internal motor (fan motor) do not operate H6 During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop operation. Desynchro-nizing of compressor H7 During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop operation. PFC protection HC Outdoor DC fan motor malfunction L3 Outdoor DC fan motor malfunction lead to compressor stop operation, compressor stop operation and Outdoor fan motor will stop 30s latter , 3 minutes latter fan motor and compressor will restart power protection L9 Indoor unit and outdoor unit doesnt match LP compressor and Outdoor fan motor cant work Indoor unit and outdoor unit doesnt match During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop operation. Failure start-up LC Heating indicator off for 0.5s and then blinks for 10s Defrosting will occur in heating mode. Compressor will operate while indoor fan will stop operation. Defrosting If this malfunction occurs during heating operation, the complete unit will stop operation. The four-way valve is abnormal U7 57 Installation and Maintenance Replace outdoor control panel AP1 After the complete unit is de-energized for 20mins, check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly. If its no use, please replace control panel AP1. 1. Wiring terminal OVC-COMP is loosened. In normal state, the resistance for this terminal should be less than 1ohm. 2.Refer to the malfunction analysis ( discharge protection, overload) Refer to the malfunction analysis (IPM protection, loss of synchronism protection and overcurrent protection of phase current for compressor. 1. Bad contact of DC motor feedback terminal. 2. Bad contact of DC motor control end. 3. Fan motor is stalling. 4. Motor malfunction. 5. Malfunction of mainboard revdetecting circuit. Refer to the malfunction analysis (IPM protection, loss of synchronism protection and overcurrent protection of phase current for compressor. Refer to the malfunction analysis DC fan motor malfunction or system blocked or the connector loosed To protect the electronical components when detect high power Refer to the malfunction analysis Not the error code. It’s the status code for the operation 1.Supply voltage is lower than AC175V; 2.Wiring terminal 4V is loosened or broken; 3.4V is damaged, please replace 4V.
During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop Malfunction of phase current detection circuit for compressor U1 During cooling and drying operation, compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop Malfunction of voltage dropping for DC busbar U3 During cooling and drying operation, the compressor will stop while indoor fan will operate; During heating operating, the complete unit will stop operation. Malfunction of complete units current detection U5 Malfunction of detecting plate(WIFI ) JF Loads operate normally, while the unit can’t be normally controlled by APP. Analysis or processing of some of the malfunction display: 1. Compressor discharge protection Possible causes: shortage of refrigerant; blockage of air filter; poor ventilation or air flow short pass for condenser; the sys tem has noncondensing gas (such as air, water etc.); blockage of capillary assy (including filter); leakage inside four-way valve causes incorrect operation; malfunction of compressor; malfunction of protection relay; malfunction of discharge sen sor; outdoor temperature too high. Processing method: refer to the malfunction analysis in the above section. 2. Low voltage overcurrent protection Possible cause: Sudden drop of supply voltage. 3.Communication malfunction Processing method: Check if communication signal cable is connected reliably. 4. Sensor open or short circuit Processing method: Check whether sensor is normal, connected with the corre sponding position on the controller and if damage of lead wire is found. 5. Compressor over load protection Possible causes: insufficient or too much refrigrant; blockage of capillary and increase of suction temp.; improper running of compressor, burning in or stuck of bearing, damage of discharge valve; malfunction of protector. Processing method: adjust refrigerant amount; replace the capillary; replace the compressor; use universal meter to check if the contactor of compress or is fine when it is not overheated, if not replace the protector. 6. System malfunction i.e.overload protection.When tube temperature(Check the temperature of outdoor heat exchanger when cooling and check the temperatur e of indoor heat exchanger when heating) is too high, protection will be activated. Possible causes: Outdoor temperature is too high when cooling; insufficient outdoor air circulation; refrigerant flow malfunc tion. please refer to the malfunction analysis in the previous section for handling method . 7. IPM module protection Processing method:Once the module malfunction happens,if it persists for a long time and can not be selfcanceled, cut off the power and turn off the unit,and then re-energize the unit again after about 10 min.After repeating the procedure for sever times, if the malfunction still exists,replace the module. 58 Installation and Maintenance Replace outdoor control panel AP1 Supply voltage is unstable Theres circuit malfunction on outdoor units control panel AP1, please replace the outdoor units control panel AP1. 1. Main board of indoor unit is damaged; 2. Detection board is damaged; 3. The connection between indoor unit and detection board is not good;
If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. 59 Installation and Maintenance
9.2 Procedure of Troubleshooting ●Indoor unit: 1. Malfunction of Temperature Sensor F1, F2 Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ● Is the temperature sensor broken? ● Is mainboard broken? Malfunction diagnosis process: 60 Installation and Maintenance Start Is the wiring terminal between the temperature sensor and the controller Yes loosened or poorly contacted? Insert the temperature sensor tightly No No Is malfunction eliminated Yes Is there short circuit due to trip- over of the parts Make the parts upright No No Is malfunction Yes eliminated Is the temperature sensor normal according to the resistance table? No Yes Replace it with a temperature sensor with the same model Yes Is malfunction No eliminated Replace the mainboard with the same model. Yes End
2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor can't operate? ● The motor is broken? ● Detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Measure the voltage of this foot to neutral wire on the mainboard 61 Installation and Maintenance Start While power is off stir the blade No with a tool to see whether the blade rotates smoothly Tighten the screw; reassemble the blade, motor and shaft bearing rubber base sub-assy to make sure there is no foreign object between them Yes No Yes Is malfunction eliminated Check if the connection of PG motor feedback terminal is firm No Insert the control terminal of PG motor tightly Yes No Is malfunction Yes eliminated Check if the connection of PG No motor control terminal is firm Reinstall the blade and motor correctly Yes No Is malfunction Yes eliminated Turn on the unit again; measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after Yes Yes the louvers are opened Yes Is the motor started up No Replace PG motor No No Yes Is malfunction eliminated Replace the mainboard with the same model End
3. Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ● Detection circuit of the mainboard is defined abnormal? Malfunction diagnosis process: 62 Installation and Maintenance Start No Appearance of the Is there jumper cap on the mainboard? jumper cap Assemble the jumper cap with the same model Yes No Is malfunction eliminated No Is the jumper cap inserted correctly and tightly? Insert the jumper cap tightly Yes No Is malfunction Yes eliminated Replace the jumper cap with the same model Yes Is malfunction eliminated Yes No Replace the mainboard with the same model End
4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: 63 Installation and Maintenance Start Turn power off for 1minute,the turn back on The unit returns to normal. Conclusion:U8 is displayed due to power off/on while the capacitor discharges slowly. U8 is still displayed No Yes The zero-cross detection circuit of the mainboard is defined abnormal.Replace the mainboard with the same model End
5. High Temperature and Overload Protection (AP1 below means control board of outdoor unit) E8 Start If the outdoor ambient temperature is higher than 53°C? No is good? No If the indoor and outdoor fan are running normally? Yes Replace outdoor mainboard End 64 Installation and Maintenance Normal protection, please use it after improving the outdoor ambient Yes Unit restarts Yes normally temperature No Improve the radiating environment of Yes Unit restarts unit (clean the heat exchanger and normally remove surrounding obstacles) No Connect normally? Adjust the connection Yes Yes Replace fan Yes Fan capacitor is broken? capacitor No Yes Motor is broken? Replace motor No Replace mainboard
6. Malfunction of detecting plate(WIFI) JF 65 Installation and Maintenance Start check if the connection wire are correctly connected Yes Replace the detecting plate with the same model Is malfunction eliminated No Yes Replace the mainboard with the same model The end
●Outdoor unit: 1.Capacity charging malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection point: ● Detect if the voltage of L and N terminal of wiring board is between 210AC-240AC by alternating voltage meter; ● Is reactor (L) well connected? Is connection wire loosened or pull-out? Is reactor (L) damaged? Malfunction diagnosis process: Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Voltage higher than 200V? Y Measure the AC voltage between terminal L and and N on wiring board XT(power supply) Shut down the power and repair the power supply to restore the range power on and restart the unit If the fault is eliminated? Voltage within 210VAC~250VAC? N Y 210VAC~250VAC Y Shut down the power and wait 20 minutes; or use DC voltmeter to measure the voltage N on the two ends of capacitor (test3), until the voltage is lower than 20V Check the connection of reactor (Lin the Electrical Wiring Diagram) Connect the reactor Laccording to Elec- Re-energize and turn on the unit If the fault is eliminated? If the wiring of reactor Lis normal? N trical Wiring Diagr- am correctly Y Replace the control panel AP1 N End 66 Installation and Maintenance Y
2.Diagnosis for anti-high temperature, overload protection (AP1 below is control board of outdoor unit) Main detection point: ● If the outdoor ambient temperature is in normal range; ● If the indoor and outdoor fan is running normal; ● If the radiating environment of indoor and outdoor unit is well. Malfunction diagnosis process: 67 Installation and Maintenance Anti-high temperature, overload protection Normal protection, please use it after improve the outdoor If the outdoor ambient temperature is higher than 53 °C? Y ambient temperature N After the unit de- energized for 20min Improve the radiating environment of unit If the radiating of outdoor and indoor unit is well? Y N 1. Check if fan terminal OFAN is connected well 2. Test if resistance value of any two terminals is less than 1kΩ with ohmic meter If the indoor and outdoor fan work well? N Y Replace fan capacitor C1 Replace control board AP1 Replace outdoorfan End
3.IPM protection, phase current overcurrent (the control board as below indicates the control board
of outdoor unit) H5/P5
Mainly detect:
(1) Compressor COMP terminal (2) voltage of power supply (3) compressor
(4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit
Troubleshooting:
Turn on the unit
after energization
Check the connection
between the control board
Whether IPM
protection occurs after the unit has
N
and the compressor by
referring to the electric
operated for a while?
wiring diagram
Y
Correctly connect the wires of
Check whether wires
of compressor (UVW) are connected
Whether
the voltage between
terminal L and terminal N
of XT is within 210AVC~
Y
compressor according to the
electric wiring diagram, and
correctly
then turn on the unit
250VAC?
N
Measure the resistance value
among three terminals (UVW)
of compressor with a resistance
Check the power
supply voltage and
make the power voltage
measuring meter.
Whether IPM
protection occurs after the unit has
N
operated for a while?
resume to the range
of 210VAC~250VAC
Whether the
resistance value of three terminals
are almost the same.
Y
1. Whether the heat exchangers of indoor unit and outdoor unit are
dirty? Whether the radiation is affected because the unit is
Measure the resistance
between three terminals (UVW)
of compressor and the copper pipe
covered by the objects?
2. When indoor fan and outdoor unit are operate normally?
3. Whether the system pressure is too high?
4. Whether the pressure is because there's too much refrigerant?
with resistance measuring meter
Whether the
resistance value is more than
500ohm?
Whether there's
abnormal phenomenons
Correct it one by one
according to the Service
Manual, and then turn on
N
Y
described as above?
Replace the
compressor
the unit.
N
N
Y
Whether the unit
can operate normally?
N
Y
Replace control
Y
board
End
68
Installation and Maintenance4. Start-up failure (following AP1 for outdoor unit control board) Mainly detect: ●Whether the compressor wiring is connected correct? ●Is compressor broken? ●Is time for compressor stopping enough? Fault diagnosis process: Power on the unit Is stop time of the compressor longer than 3 minutes? Yes Does startup fail? Yes Are the wires for the compressor connected correctly? Is connection sequence right? Yes Replace the control panel AP1 No If the fault is eliminated? No Replace the compressor End 69 Installation and Maintenance Restart it up after 3 minutes No Connect the wires as per the connection diagram No Yes
5. Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is the system pressure too high? ●Is the input voltage too low? Fault diagnosis process: unit is powered on. Out of step occurs once the No Is stop time of the compressor longer than 3 minutes? Yes Are the wires for the compressor connected Is the connection made in clockwise correctly? Is connection sequence right? direction? No Yes Connect the wires correctly Replace the control panel AP1 Yes If the fault is eliminated? No Replace the compressor End 70 Installation and Maintenance Out of step occurs in operation capacitor C1 Check if the fan terminal OFAN is connected correctly No Replace the fan Is the outdoor fan working normally? Yes Replace the outdoor fan Yes Remove foreign objects Is the outdoor unit blocked by foreign objects? No Replace the control panel AP1 Yes If the fault is eliminated? No Replace the compressor End
6. Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: ●Is the PMV connected well or not? Is PMV damaged? ●Is refrigerant leaked? Fault diagnosis process: 71 Installation and Maintenance 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve Connect the wires correctly No connected correctly? Yes Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same, less than 100 ohm. Replace the electronic expansion valve Yes If the fault is eliminated? No Replace the AP1 control panel Yes If the fault is eliminated? No Coolant leakage, refilling the coolant End
7. Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: ●Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? ●Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start Did the equipment operate normally before the failure No Yes occurs? Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of the indoor and Yes Is the connection right? outdoor units No No Correctly connect the corresponding wires for The AP1 voltage detection circuit is at fault Yes Are wires broken? the indoor and outdoor units with reference to the wiring diagram No If the fault is eliminated? Check the communication No circuit of the outdoor unit If the fault is eliminated? Yes Replace the main board The communication AP1 of the outdoor unit circuit is abnormal No If the fault is eliminated? No Replace the main board of the indoor unit Yes Yes Yes End 72 Installation and Maintenance
8. Malfunction of Overcurrent Protection Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Yes Yes Is the supply voltage unstable of the rated voltage on the nameplate No No Yes Is the supply voltage too low Adjust the supply voltage to maintain it within normal range with overload? No No Is the indoor / outdoor heat exchanger dirty,or are the air inlet Yes Clean the indoor and outdoor heat exchangers and remove the blockage of air inlet and outlet and outlet blocked? No No The fan is abnormal? Fan speed is too low or fan doesnt rotate Yes Check the motor and reinstall the motor to have the fan run normally No No Measure the current of live wire on the main board with a clamp ampere No Replace the mainboard with the same model meter. Is the current higher than the value of the overcurrent protection? No Yes Is there blockage inside the system? Yes Flush the heat exchangers with high pressure nitrogen (Filth blockage, ice plug, greasy blockage, the cut off valve hasnt been opened completely) No No Is the compressor running abnormally? Is there abnormal sound or oil leakage; Is the temperature of the shell too high, Yes Replace the compressor etc.? No Replace the mainboard with the same model End 73 Installation and Maintenance eliminated Is malfunction Yes eliminated Is malfunction Yes Is malfunction eliminated Is malfunction Yes eliminated eliminated Is malfunction Yes Yes Is malfunction eliminated eliminated Is malfunction Yes
9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Cant be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, wait for power recovery. If not, check power supply circuit and make sure the power plug is connected well. Wrong wire connection between indoor unit and outdoor unit, or poor connection for wiring terminals No power supply, or poor connection for power plug After energization, operation indicator isnt bright and the buzzer cant give out sound Under normal power supply circumstances, operation indicator isnt bright after energization Make sure the air conditioner is grounded reliably Make sure wires of air conditioner is connected correctly Check the wiring inside air conditioner. Check whether the insulation layer of power cord is damaged; if yes, place the power cord. Model selection for air switch is improper After energization, air switch trips off Select proper air switch Electric leakage for air conditioner After energization, room circuit breaker trips off at once After energization, operation indicator is bright, while no display on remote controller or buttons have no action. Malfunction of remote controller 2. Poor Cooling (Heating) for Air Conditioner Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Set temperature is improper Observe the set temperature on remote controller Adjust the set temperature Rotation speed of the IDU fan motor is set too low Small wind blow Set the fan speed at high or medium Filter of indoor unit is blocked Check the filter to see its blocked Clean the filter Check whether the installation postion is proper according to installation requirement for air conditioner Installation position for indoor unit and outdoor unit is improper Discharged air temperature during cooling is higher than normal discharged wind temperature; Discharged air temperature during heating is lower than normal discharged wind temperature; Units pressure is much lower than regulated range Refrigerant is leaking Malfunction of 4-way valve Blow cold wind during heating Replace the 4-way valve Discharged air temperature during cooling is higher than normal discharged wind temperature; Discharged air temperature during heating is lower than normal discharged wind temperature; Unitt pressure is much lower than regulated range. If refrigerant isnt leaking, part of capillary is blocked Malfunction of capillary Flow volume of valve is insufficient The pressure of valves is much lower than that stated in the specification Open the valve completely Malfunction of horizontal louver Horizontal louver cant swing Refer to point 3 of maintenance method for details Malfunction of the IDU fan motor The IDU fan motor cant operate Refer to troubleshooting for H6 for maintenance method in details Malfunction of the ODU fan motor The ODU fan motor cant operate Refer to point 4 of maintenance method for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 3. Horizontal Louver Cant Swing Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Wrong wire connection, or poor connection Check the wiring status according to circuit diagram Stepping motor is damaged Stepping motor cant operate Repair or replace stepping motor Main board is damaged Others are all normal, while horizontal louver cant operate Replace the main board with the same model 74 Installation and Maintenance Check the circuit according to circuit diagram and connect wires correctly. Make sure all wiring terminals are connected firmly Replace batteries for remote controller Repair or replace remote controller Adjust the installation position, and install the rainproof and sunproof for outdoor unit Find out the leakage causes and deal with it. Add refrigerant. Replace the capillary Connect wires according to wiring diagram to make sure all wiring terminals are connected firmly
4. ODU Fan Motor Cant Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor connection Check the wiring status according to circuit diagram Measure the capacity of fan capacitor with an universal meter and find that the capacity is out of the deviation range indicated on the nameplate of fan capacitor. Capacity of the ODU fan motor is damaged Power voltage is a little low or high Use universal meter to measure the power supply voltage. The voltage is a little high or low Suggest to equip with voltage regulator When unit is on, cooling/heating performance is bad and ODU compressor generates a lot of noise and heat. Motor of outdoor unit is damaged 5. Compressor Cant Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor connection Check the wiring status according to circuit diagram Measure the capacity of fan capacitor with an universal meter and find that the capacity is out of the deviation range indicated on the nameplate of fan capacitor. Capacity of compressor is damaged Power voltage is a little low or high Use universal meter to measure the power supply voltage. The voltage is a little high or low Suggest to equip with voltage regulator Coil of compressor is burnt out Use universal meter to measure the resistance between compressor terminals and its 0 Repair or replace compressor Cylinder of compressor is blocked Compressor cant operate Repair or replace compressor 6. Air Conditioner is Leaking Possible causes Discriminating method (air conditioner status) Troubleshooting Drain pipe is blocked Water leaking from indoor unit Eliminate the foreign objects inside the drain pipe Drain pipe is broken Water leaking from drain pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 7. Abnormal Sound and Vibration Possible causes Discriminating method (air conditioner status) Troubleshooting When turn on or turn off the unit, the panel and other parts will expand and theres abnormal sound Theres the sound of "PAPA" Normal phenomenon. Abnormal sound will disappear after a few minutes. When turn on or turn off the unit, theres abnormal sound due to flow of refrigerant inside air conditioner Water-running sound can be heard Normal phenomenon. Abnormal sound will disappear after a few minutes. Remove foreign objects. Adjust all parts position of indoor unit, tighten screws and stick damping plaster between connected parts Foreign objects inside the outdoor unit or therere parts touching together inside the outdoor unit Foreign objects inside the indoor unit or therere parts touching together inside the indoor unit Theres abnormal sound fro indoor unit Remove foreign objects. Adjust all parts position of outdoor unit, tighten screws and stick damping plaster between connected parts Short circuit inside the magnetic coil Theres abnormal sound fro outdoor unit During heating, the way valve has abnormal electromagnetic sound Replace magnetic coil Abnormal shake of compressor Outdoor unit gives out abnormal sound Adjust the support foot mat of compressor, tighten the bolts Abnormal sound inside the compressor Abnormal sound inside the compressor 75 Installation and Maintenance Connect wires according to wiring diagram to make sure all wiring terminals are connected firmly Replace the capacity of fan Change compressor oil and refrigerant. If no better, replace the compressor with a new one Connect wires according to wiring diagram to make sure all wiring terminals are connected firmly Replace the compressor capacitor If add too much refrigerant during maintenance, please reduce refrigerant properly. Replace compressor for other circumstances.
10. Exploded View and Parts List 10.1 Indoor Unit GWC12AGC-S3DTA1C/I GWH12AGC-S3DTA1C/I GWH12AGCXD-S3DTA2C/I GWC12AGCXD-S3DTA2C/I 33 34 35 1 2 3 4 5 6 7 8 9 The component picture is only for reference; please refer to the actual product. 76 Installation and Maintenance 36 13 12 ON/OFF TURBO MODE FAN I FEEL T-ON T-OFF 11 TEMP CLOCK LIGHT WiFi SLEEP 10 14 16 15 17 18 19 20 24 25 21 26 22 27 23 28 29 30 32 31
NO. Description 1 Front Panel 2 Guide Louver (upper) 3 Guide Louver (lower) 4 Screw Cover 5 Front Case 6 Filter Sub-Assy 7 Helicoid Tongue 8 Air Louver(left) 9 Left Axile Bush 10 Rear Case assy 11 Ring of Bearing 12 O-Gasket sub-assy of Bearing 13 Evaporator Support 14 Wall Mounting Frame 15 Evaporator Assy 16 Cross Flow Fan 17 Motor Press Plate 18 Fan Motor Some models may not contain some parts, please refer to the actual product. 77 Installation and Maintenance NO. Description 19 Connecting pipe clamp 20 Drainage Hose 21 Stepping Motor 22 Stepping Motor 23 Crank 24 Air Louver(auto) 25 Sweeping connecting rod 26 Stepping Motor 27 Air Louver(right) 28 Main Board 29 Electric Box Assy 30 Terminal Board 31 Electric Box Cover 32 Display Board 33 Power Cord 34 Connecting Cable 35 Connecting Cable 36 Remote Controller
GWC18AGD-S3DTA1A/I GWC18AGD-S3DTA2A/I GWH18AGD-S3DTA1A/I GWH18AGD-S3DTA2A/I 34 30 31 32 33 12 ON/OFF 11 TURBO MODE FAN 13 I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP 14 10 9 15 8 7 6 16 5 17 4 18 3 37 19 2 23 25 24 26 35 1 21 36 22 27 28 29 The component picture is only for reference; please refer to the actual product. 78 Installation and Maintenance 20
NO. Description 1 Front Panel 2 Front Case Assy 3 Guide Louver Sub-assy 1 4 Guide Louver Sub-assy 2 5 Plug Pin 6 Left Axile Bush 7 Rear Case 8 Cross Flow Fan 9 Ring of Bearing 10 O-Gasket sub-assy of Bearing 11 Evaporator Support 12 Evaporator Assy 13 Fan Motor 14 Motor Press Plate 15 Wall Mounting Frame Sub-assy 16 Electric Box Assy 17 Connecting pipe clamp 18 Rubber Plug (Water Tray) 19 Supporter Some models may not contain some parts, please refer to the actual product. 79 Installation and Maintenance NO. Description 20 Electric Box 21 Main Board 22 Jumper 23 Stepping Motor 24 Stepping Motor 25 Crank 26 Drainage Hose 27 Filter Sub-Assy 28 Screw Cover 29 Electric Box Cover 30 Remote Controller 31 Connecting Cable 32 Connecting Cable 33 Power Cord 34 Temperature Sensor 35 Plasmacluster Ion 36 Stepping Motor 37 Teminal Board
GWC24AGE-S3DTA1F/I GWC24AGE-S3DTA2F/I GWH24AGE-S3DTA1F/I GWH24AGE-S3DTA2F/I GWC30AGEXH-S3DTA1A/I GWC30AGEXH-S3DTA2A/I GWC30AGEXH-S3DTA1C/I GWH30AGEXH-S3DTA1A/I GWH30AGEXH-S3DTA2A/I 40 41 42 43 1 2 3 4 The component picture is only for reference; please refer to the actual product. 80 Installation and Maintenance 17 16 18 ON/OFF 15 TURBO MODE FAN I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP 14 13 19 12 11 10 9 20 8 21 22 6 5 7 23 24 25 28 26 27 29 30 31 32 33 34 36 37 39 35 38
NO. Description 1 Front Panel 2 Filter Sub-Assy 3 Screw Cover 4 Front Case 5 Plug Pin 6 Guide Louver Sub-assy 1 7 Guide Louver Sub-assy 2 8 Sweeping Connecting Rod 9 Air Louver(Automatic) 10 Helicoid Tongue 11 Left Axile Bush 12 Rear Case 13 Drainage Hose 14 Cross Flow Fan 15 O-Gasket sub-assy of Bearing 16 Ring of Bearing 17 Evaporator Support 18 Evaporator Assy 19 Wall Mounting Frame 20 Motor Press Plate 21 Fan Motor 22 Plasmacluster Ion Some models may not contain some parts, please refer to the actual product. 81 Installation and Maintenance NO. Description 23 Connecting pipe clamp 24 Rubber Plug (Water Tray) 25 Crank 26 Stepping Motor 27 Stepping Motor 28 Stepping Motor 29 Sweep Blade 30 Air Louver(Automatic) 31 Electric Box 32 Display Board 33 Main Board 34 Jumper 35 Supporter 36 Terminal Board 37 Cable Clamp 38 Electric Box Assy 39 Electric Box Cover 40 Connecting Cable 41 Power Cord 42 Temperature Sensor 43 Remote Controller
GWC36QF-S3DTB4A/I GWH36QF-S3DTB4A/I 49 24 47 48 1 46 45 23 21 22 ON/OFF TURBO MODE FAN 19 20 I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP 18 17 14 16 15 1213 1011 25 9 8 26 5 6 7 27 4 28 29 3 2 30 31 32 37 33 35 34 38 36 40 39 41 44 43 42 The component picture is only for reference; please refer to the actual product. 82 Installation and Maintenance
NO. Description 1 Detecting Plate 2 Front Panel 3 Stand Bar 4 Filter Sub-Assy 5 Front Case Sub-assy 6 Lower Guide Louver 7 Upper Guide Louver 8 Axile Bush 9 Air Louver 1 10 Air Louver 2 11 Connecting Rod 12 Louver Clamp 13 SteppingMotor 14 Water Tray 15 Water Tray Sub-Assy 16 Screw Cover 17 Rubber Plug (Water Tray) 18 Rear Case Sub-Assy 19 Cross Flow Fan 1 20 Bearing Holder Sub-assy 21 Cross Flow Fan 2 22 O-Gasket of Cross Fan Bearing 23 Left Evaporator Support 24 Evaporator Assy 25 Wall Mounting Frame Some models may not contain some parts, please refer to the actual product. 83 Installation and Maintenance NO. Description 26 Fan Motor 27 Pipe Clamp 28 Drainage Hose 29 Cover Plate 30 Motor Fixed Clip 1 31 SteppingMotor 32 Press Plate(Crank) 33 Crank-guide 34 Upper Crank 35 Lower crank 36 SteppingMotor 37 Electric Box Assy 38 Electric Box 39 Terminal Board 40 Jumper 41 Main Board 42 Display Board 43 Electric Box Cover 2 44 Electric Box Cover 45 Remote Controller 46 Connecting Cable 47 Temperature Sensor 48 Temperature Sensor 49 Cold Plasma Generator
10.2 Outdoor Unit GWC12AGC-S3DTA1C/O 1 12 2 4 5 6 14 3 7 8 9 10 11 13 30 33 25 32 31 24 29 26 28 27 The component is only for rererence;please refer to the actual product NO. Description NO. Description 1 Grill 16 Inhalation Tube Sub-assy 2 Front Panel 17 Discharge Tube Sub-assy 3 Axial Flow Fan 18 Flash Vaporizer Assy 4 Chassis Sub-assy 19 Clapboard Assy 5 Compressor and Fittings 20 Motor Support 6 Electronic Expansion Valve 21 Motor 7 Electric Expand Valve Fitting 22 Top Cover Assy 8 Right Side Plate 23 Left Side Plate 9 Valve Support 24 Condenser Left Border Plate 10 Cut off Valve 25 Electric Box Assy 11 Cut off Valve 26 Radiator 12 Valve Cover 27 Electric Box 13 Handle 28 Main Board 14 Terminal Board 29 Electric Box Cover 15 4-Way Valve Assy Some models may not contain some parts, please refer to the actual product. 84 Installation and Maintenance 15 16 17 18 19 20 21 22 23
GWH12AGC-S3DTA1C/O 1 13 8 2 4 5 6 3 7 9 10 11 12 14 30 33 25 32 31 24 29 26 28 27 The component is only for rererence;please refer to the actual product NO. Description NO. Description 1 Electric Box Assy 18 Electric Expansion Valve Sub-Assy 2 Radiator 19 4-Way Valve Assy 3 Electric Box 20 Right Side Plate 4 Main Board 21 Earthing Plate Sub-assy 5 Electric Box Cover 22 Handle (Right) 6 Terminal Board 23 Cut-off valve 1/4(N) 7 Left Side Plate 24 Valve Cover 8 Drainage Joint 25 Cut-off valve 3/8(N) 9 Clapboard 26 Silencer 10 Motor Support 27 Valve Support 11 Top Cover Assy 28 Compressor and Fittings 12 Condenser Assy 29 Chassis Sub-assy 13 Sponge(Condenser) 30 Brushless DC Motor 14 Rear Grill 31 Axial Flow Fan 15 Temp Sensor Sleeving 32 Cabinet 16 Sensor Insert 33 Front Grill 17 Flash Vaporizer Assy Some models may not contain some parts, please refer to the actual product. 85 Installation and Maintenance 15 16 17 18 19 20 21 22 23
GWC18AGD-S3DTA1A/O GWC24AGE-S3DTA1F/O 19 20 21 22 23 24 25 26 27 28 29 1 2 3 4 5 6 8 9 10 11 The component is only for rererence;please refer to the actual product NO. Description NO. Description 1 Electric Box Assy 18 Inhalation Tube 2 Radiator 19 Electric Expansion Valve Sub-Assy 3 Electric Box 20 Right Side Plate 4 Main Board 21 Earthing Plate Sub-assy 5 Controller Cover 22 Handle (Right) 6 Terminal Board 23 Cut-off valve 1/4(N) 7 Left Side Plate 24 Valve Cover 8 Clapboard 25 Cut-off valve 3/8(N) 9 Motor Support 26 Silencer 10 Top Cover Assy 27 Valve Support 11 Condenser Assy 28 Compressor and Fittings 12 Sponge(Condenser) 29 Chassis Sub-assy 13 Rear Grill 30 Brushless DC Motor 14 Discharge Tube 31 Axial Flow Fan 15 Temp Sensor Sleeving 32 Cabinet 16 Sensor Insert 33 Front Grill 17 Flash Vaporizer Assy Some models may not contain some parts, please refer to the actual product. 86 Installation and Maintenance 18 17 16 15 14 13 12 7
GWH18AGD-S3DTA1A/I GWH24AGE-S3DTA1F/O 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 8 9 10 11 The component is only for rererence;please refer to the actual product NO. Description NO. Description 1 Grill 15 4-Way Valve Assy 2 Front Panel 16 Condenser Assy 3 Axial Flow Fan 17 Flash Vaporizer Assy 4 Chassis Sub-assy 18 Clapboard Assy 5 Compressor and Fittings 19 Motor Support 6 Electronic Expansion Valve 20 Motor 7 Electric Expand Valve Fitting 21 Top Cover Assy 8 Right Side Plate 22 Left Side Plate 9 Valve Support 23 Condenser Left Border Plate 10 Cut off Valve 24 Electric Box Assy 11 Cut off Valve 25 Radiator 12 Valve Cover 26 Electric Box 13 Handle 27 Main Board 14 Terminal Board 28 Electric Box Cover Some models may not contain some parts, please refer to the actual product. 87 Installation and Maintenance 17 16 15 14 13 12 7
GWC30AGEXH-S3DTA1A/O GWC30AGEXH-S3DTA1C/O 26 27 29 30 31 33 32 34 24 25 23 28 22 1 2 3 4 5 6 7 8 9 10 11 12 13 The component is only for rererence;please refer to the actual product NO. Description NO. Description 1 Front Grill 18 Union Nut 2 Cabinet 19 Handle 3 Axial Flow Fan 20 Support 4 Brushless DC Motor 21 Valve Support Baffle 5 Chassis Sub-assy 22 Rear Grill 6 Cushioned Nut 23 Exhaust pipe Sub-assy 7 Clap Board Assy 24 Electronic Expansion Valve assy 8 Compressor and fittings 25 Electric Expand Valve Fitting 9 Inspiration tube Sub-assy 26 Condenser Assy 10 Right Side Plate Assy 27 Flash Vaporizer Assy 11 Valve Support Sub 28 Electric Box Cover 12 Cut-off Valve 29 Main Board 13 Back Cover Nut 30 Electric box 14 Cut-off Valve 31 Top Cover-assy 15 Back Cover Nut 32 Motherboard radiator 16 Valve Cover 33 Motor Support Sub-Assy 17 Union Nut 34 Left Side Plate Some models may not contain some parts, please refer to the actual product. 88 Installation and Maintenance 21 20 19 18 17 16 15 14
GWH30AGEXH-S3DTA1A/O 27 28 30 31 32 34 33 35 25 26 24 29 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 The component is only for rererence;please refer to the actual product NO. Description NO. Description 1 Front Grill 19 Union Nut 2 Cabinet 20 Union Nut 3 Axial Flow Fan 21 Handle 4 Brushless DC Motor 22 Support 5 Chassis Sub-assy 23 Valve Support Baffle 6 Drainage Plug 24 Rear Grill 7 Drainage Connecter 25 Electronic Expansion Valve assy 8 Cushioned Nut 26 Electric Expand Valve Fitting 9 Clap Board Assy 27 Condenser Assy 10 Compressor and fittings 28 Flash Vaporizer Assy 11 4-way Valve Assy 29 Electric Box Cover 12 Right Side Plate Assy 30 Main Board 13 Valve Support Sub 31 Electric box 14 Cut-off Valve 32 Top Cover-assy 15 Back Cover Nut 33 Motherboard radiator 16 Cut-off Valve 34 Motor Support Sub-Assy 17 Back Cover Nut 35 Left Side Plate 18 Valve Cover Some models may not contain some parts, please refer to the actual product. 89 Installation and Maintenance 23 22 21 20 19 18 17 16
GWC36QF-S3DTB4A/O 29 30 32 33 34 36 35 37 27 28 26 31 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 The component is only for rererence;please refer to the actual product NO. Description NO. Description 1 Front Grill 20 Union Nut 2 Cabinet 21 Handle 3 Axial Flow Fan 22 Supporter 4 Brushless DC Motor 23 Valve Support Block 5 Chassis Sub-assy 24 Flash Vaporizer Assy 6 Drainage hole Cap 25 Exhaust pipe Sub-assy 7 Drainage Joint 26 Rear Grill 8 Cushioned Nut 27 Capillary Sub-assy 9 Clap Board Assy 28 Temperature Sensor 10 Compressor and Fittings 29 Condenser Assy 11 Inspiration tube Sub-assy 30 Electric Box Cover 12 Right Side Plate Assy 31 Tube Clip 13 Valve Support Sub 32 Main Board 14 Cut-off Valve 33 Electric box 15 Back Cover Nut 34 Top Cover-assy 16 Cut-off valve 1/4(N) 35 Motherboard radiator 17 Back Cover Nut 36 Motor Support Sub-Assy 18 Valve Cover 37 Left Side Plate 19 Union Nut Some models may not contain some parts, please refer to the actual product. 90 Installation and Maintenance 24 23 22 21 20 19 18 17 16
GWH36QF-S3DTB4A/O 28 29 31 32 33 35 34 36 26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 The component is only for rererence;please refer to the actual product NO. Description NO. Description 1 Front Grill 19 Union Nut 2 Cabinet 20 Union Nut 3 Axial Flow Fan 21 Handle 4 Brushless DC Motor 22 Supporter 5 Chassis Sub-assy 23 Valve Support Block 6 Drainage hole Cap 24 Flash Vaporizer Assy 7 Drainage Joint 25 Rear Grill 8 Cushioned Nut 26 Capillary Sub-assy 9 Clap Board Assy 27 Temperature Sensor 10 Compressor and Fittings 28 Condenser Assy 11 4-Way Valve Assy 29 Electric Box Cover 12 Right Side Plate Assy 30 Tube Clip 13 Valve Support Sub 31 Main Board 14 Cut-off Valve 32 Electric box 15 Back Cover Nut 33 Top Cover-assy 16 Cut-off valve 1/4(N) 34 Motherboard radiator 17 Back Cover Nut 35 Motor Support Sub-Assy 18 Valve Cover 36 Left Side Plate Some models may not contain some parts, please refer to the actual product. 91 Installation and Maintenance 30 27 25 24 23 22 21 20 19 18 17 16
11. Removal Procedure
11.1 Removal Procedure of Indoor Unit
Caution: discharge the refrigerant
completely before removal.
12-30K
Step
Procedure
1.Remove filter
a
Open the panel.
b
Loosen the clasp shown in the fig and then pull the left
filter and right filer outwards to remove them.
2.Remove horizontal louver
Push out the axile bush on horizontal louver. Bend
the horizontal louver with hand and then separate the
horizontal louver from the crankshaft of step motor to
remove it.
92
Installation and Maintenance
Panel
Clasps
Left filter and right filer
Horizontal louver
Location of step motor
Axile bushStep
Procedure
3.Remove panel
Open the front panel; separate the panel rotation shaft
from the groove fixing the front panel and then removes
the front panel.
Note:
The display of some models is fixed on the panel;
unscrew the screws fixing the display on the panel
before removing the panel.
4.Remove electric box cover 2
Remove the screws on the electric box cover 2 to
remove the electric box cover 2.
5.Remove front case sub-assy
Remove the screws fixing front case.
Note:
a
(1) Open the screw caps before removing the screws
around the air outlet.
(2) The quantity of screws fixing the front case sub-
assy is different for different models.
b
Loosen the clasps at left, middle and right sides of front
case. Lift the front case sub-assy upwards to remove it.
93
Installation and Maintenance
Panel
Display
Front panel
Panel rotation
Groove
Screw
Front case subassy
Electric box cover 2
Screw
Front case sub-assy
Screw
Screw caps
Front case
sub-assy
Right clasp
Middle clasp
Left claspStep
Procedure
6.Remove electric box assy
Remove the screw fixing electric box assy.
a
①Cut off the wire binder and pull out the
indoor tube temperature sensor.
②Screw off one grounding screw.
③Remove the wiring terminals of motor, cold plasma
generator and stepping motor.
④Remove the electric box assy.
⑤Screw off the screws that are locking each.
b
Rotate the electric box assy. Twist off the screws that
are locking the wire clip and loosen the power cord.
Remove the wiring terminal of power cord. Lift up the
main board and take it off.
Instruction:Some wiring terminal of this products is with
C
lock catch and other devices.The pulling method is as
below:
1.Remove the soft sheath for some terminals at first,
hold the circlip and then pull out the terminals,
2.Pull out the holder for some terminals at first(holder
is not available for some wiring terminal).hold the
connector and then pull the terminal.
94
Installation and Maintenance
electric box
Step motor
clasps
Indoor tube
temperature sensor
Electric box assy
Grounding
screw
Main board
Wiring terminal
of motor
Wiring terminal
of stepping motor
Wire binder
Screw
Screw
Power cord
Wire clip
Circlip
Holder
Connector
Soft sheathStep Procedure 7.Remove evaporator assy Remove 3 screws fixing evaporator assy. a At the back of the unit, Loosen the clasp,connection b pipe clamp and then remove the connection pipe clamp. First remove the left side of evaporator from the groove c of bottom shell and then remove the right side from the clasp on the bottom shell. Adjust the position of connection pipe on evaporator d slightly and then lift the evaporator upwards to remove it. 95 Installation and Maintenance Screw Connection pipe clamp Clasp Groove Rear Case assy Evaporator assy Connection pipe
Step Procedure 8.Remove motor and cross flow blade Remove 3 screws fixing motor clamp and then remove the motor clamp. a Remove the at the connection place of cross flow blade and motor; lift the motor and cross flow blade upwards to remove them. b 9.Remove vertical louver Loosen the connection clasps between vertical louver and bottom case to remove vertical louver. 96 Installation and Maintenance Motor clasp Screws Motor Cross flow Vertical louver Clasps Clasps
36K
Step
Procedure
1.Remove filter
Open the pane,Push up and pull down the filter
2.Remove panel
Remove screws fixing display, and then remove
the display.
Separate the panel rotation shaft from the groove
fixing the front panel and then removes the front
panel.
3.Remove horizontal louver
Bend the horizontal louver with hand and
then separate the horizontal louver from the
crankshaft of step motor to remove it.
97
Installation and Maintenance
Caution: discharge the refrigerant
completely before removal.
Panel
Left filter and right filer
Screws
Panel rotation
Horizontal louverStep
Procedure
3.Remove electric box cover 2
Remove the screws on the electric box cover 2
to remove the electric box cover 2.
4.Remove front case sub-assy
a
Open the screw caps on front case.
b
Remove the screws fixing front case.
c
Loosen the clasps of front case. Lift the front
case sub-assy upwards to remove it.
5.Remove electric box cover
Remove the screw fixing electric box cover to
remove the electric box cover.
98
Installation and Maintenance
Electric box cover 2
Screw
Screws
Screw caps
Clasp
Front case sub-assy
Screw
Electric Box CoverStep
Procedure
6.Remove electric box assy
Remove the screw fixing electric box assy.
a
①Cut off the wire binder and pull out the
indoor tube temperature sensor.
②Screw off one grounding screw.
③Remove the wiring terminals of motor, cold plasma
generator and stepping motor.
④Remove the electric box assy.
⑤Screw off the screws that are locking each.
b
Instruction:Some wiring terminal of this products is with
lock catch and other devices.The pulling method is as
below:
1.Remove the soft sheath for some terminals at first,
hold the circlip and then pull out the terminals,
2.Pull out the holder for some terminals at first(holder
is not available for some wiring terminal).hold the
connector and then pull the terminal.
99
Installation and Maintenance
Electric box assy
Screws
Cold Plasma Generator
Grounding screws
Main board
Wiring terminal
of stepping motor
Indoor room
temperature sensor
Indoor tube
temperature sensor
Circlip
Holder
Connector
Soft sheathStep Procedure 7.Remove water tray sub-assy Pull the water tray upwards, and then remove the water tray. 8.Remove evaporator assy a Remove two screws on pipe clamp, and then remove the pipe clamp. Remove two screws on cover plate, and then remove the cover plate. Remove the screws fixing left and right b evaporator support, then slightly adjust the pipeline. c Extract the evaporator up. 100 Installation and Maintenance Connection pipe clamp Cover Plate Screws Screws Evaporator assy Connection pipe
Step Procedure 8.Remove motor and cross flow fan Remove the screws fixing motor fixed clip 2 and then remove the motor fixed clip 2. a Remove the screw on the motor shaft and pull out the motor. Remove the screw fixing cross flow fan, leave out of the cross flow fans. b 101 Installation and Maintenance Motor Fixed Clip 2 Screws Screw Motor Cross flow fan Screw
11.2 Removal Procedure of Outdoor Unit
12K :Take the heat pump for example
Step
Procedure
1. Before disassembly
2. Remove top cover
Remove the screws fixing top cover and then remove
the top cover.
3. Remove big handle and valve cover
Remove the screws fixing big handle, valve cover and
then remove them.
102
Installation and Maintenance
Caution: discharge the refrigerant
completely before removal.
top cover
big handle
valve coverStep
Procedure
4. Remove front panel assy
Remove connection screws connecting the front panel
assy with the chassis and the motor support, and then
remove the front panel assy.
5. Remove rear grill
Remove the screws connecing the left side plate and
right side plate and then remove rear grill.
6. Remove right side plate assy
Rescrew the ground screws, remove the ground wires,
loosen the screws fixing terminal board, remove the
terminal board, rescrew the screws fixing the right
plate, and remove the right side plate assy.
103
Installation and Maintenance
Front Panel Assy
Rear Grill
Right Side
Plate AssyStep
Procedure
7. Remove valve suppprt
Remove the valve support bolck, remove the screws
fixing valve support, remove the screws fixing the liquid
valve and gas valve then remove the valve support.
8. Remove gas valve and liquid valve
Unsolder the welding joint connecting the gas valve
and the liquid valve, remove them.
Note:
Discharge the refrigerant completely befor unsoldering;
when unsoldering, wrap the gas valve with a wet cloth
completely to avoid damage to the valve caused by
high temperature.
9. Remove electric box assy
Remove the terminals, lift up and rotate the electrical
box assy to the right so that the snaps on the clapboard
are removed and the electrical box assy are removed.
104
Installation and Maintenance
valve supprt
Valve Support Block
welding joint
liquid valve
gas valve
Electric Box AssyStep
Procedure
10. Remove 4-way valve assy
Unsolder the welding joints connecting the 4-way valve
assy, remove the 4-way valve.
Note:
Before unsoldering the welding joint, wrap the 4-way
valve with a wet cloth completely to avoid damage to
the valve caused by high temperature.
11. Remove electronic expansion valve
Rotate to remove the electronic expansion valve fitting.
Unsolder the welding joint connecting the electronic
expansion Valve and then remove the electronic
expansion valve.
12. Remove flash vaporizer assy
Remove the screws fixing the tube clip of flash
vaporizer assy, unsolder the welding joint connecting
the flash vaporizer assy and remove the flash vaporizer
assy.
105
Installation and Maintenance
4-way valve assy
electric expand
valve fitting
electric expansion
valve sub-Assy
welding joint
Flash Vaporizer Assy
welding joint
Tube ClipStep
Procedure
13. Remove axial flow fan
Remove the nut on the fan and then remove the axial
flow fan.
14. Remove motor
Remove the screws fixing the motor and then remove
the motor.
15. Remove motor support
Remove the screws fixing the motor support and lift the
motor support to remove it.
106
Installation and Maintenance
axial flow fan
motor
motor supportStep
Procedure
16. Remove clapboard assy
Remove the screws fixing the clapboard assy and then
remove the clapboard assy.
17. Remove compressor
Remove the 3 foot nuts on the compressor and then
remove the compressor.
107
Installation and Maintenance
clapboard assy
compressor18K/24K :Take the heat pump for example
Step
Procedure
1. Before disassembly
2. Remove top cover
Remove the screws fixing top cover and then remove
the top cover.
3. Remove big handle and valve cover
Remove the screws fixing big handle, valve cover and
then remove them.
108
Installation and Maintenance
Caution: discharge the refrigerant
completely before removal.
top cover
big handle
valve coverStep
Procedure
4. Remove front panel assy
Remove connection screws connecting the front panel
assy with the chassis and the motor support, and then
remove the front panel assy.
5. Remove rear grill
Remove the screws connecing the left side plate and
right side plate and then remove rear grill.
6. Remove right side plate assy
Rescrew the ground screws, remove the ground wires,
loosen the screws fixing terminal board, remove the
terminal board, rescrew the screws fixing the right
plate, and remove the right side plate assy.
109
Installation and Maintenance
Front Panel Assy
Rear Grill
Right Side
Plate AssyStep
Procedure
7. Remove valve suppprt
Remove the valve support bolck, remove the screws
fixing valve support, remove the screws fixing the liquid
valve and gas valve then remove the valve support.
8. Remove gas valve and liquid valve
Unsolder the welding joint connecting the gas valve
and the liquid valve, remove them.
Note:
Discharge the refrigerant completely befor unsoldering;
when unsoldering, wrap the gas valve with a wet cloth
completely to avoid damage to the valve caused by
high temperature.
9. Remove electric box assy
Remove the terminals, lift up and rotate the electrical
box assy to the right so that the snaps on the clapboard
are removed and the electrical box assy are removed.
110
Installation and Maintenance
valve supprt
Valve Support Block
welding joint
liquid valve
gas valve
Electric Box AssyStep
Procedure
10. Remove 4-way valve assy
Unsolder the welding joints connecting the 4-way valve
assy, remove the 4-way valve.
Note:
Before unsoldering the welding joint, wrap the 4-way
valve with a wet cloth completely to avoid damage to
the valve caused by high temperature.
11. Remove electronic expansion valve
Rotate to remove the electronic expansion valve fitting.
Unsolder the welding joint connecting the electronic
expansion Valve and then remove the electronic
expansion valve.
12. Remove flash vaporizer assy
Remove the screws fixing the tube clip of flash
vaporizer assy, unsolder the welding joint connecting
the flash vaporizer assy and remove the flash vaporizer
assy.
111
Installation and Maintenance
4-way valve assy
electric expand
valve fitting
electric expansion
valve sub-Assy
welding joint
Flash Vaporizer Assy
Tube Clip
welding jointStep
Procedure
13. Remove axial flow fan
Remove the nut on the fan and then remove the axial
flow fan.
14. Remove motor
Remove the screws fixing the motor and then remove
the motor.
15. Remove motor support
Remove the screws fixing the motor support and lift the
motor support to remove it.
112
Installation and Maintenance
axial flow fan
motor
motor supportStep
Procedure
16. Remove clapboard assy
Remove the screws fixing the clapboard assy and then
remove the clapboard assy.
17. Remove compressor
Remove the 3 foot nuts on the compressor and then
remove the compressor.
113
Installation and Maintenance
clapboard assy
compressor30K/36K :Take the heat pump for example
Step
Procedure
1. Before disassembly
2. Remove top cover
Remove the screws fixing top cover and then remove
the top cover.
3. Remove big handle and valve cover
Remove the screws fixing big handle, valve cover and
then remove them.
114
Installation and Maintenance
Caution: discharge the refrigerant
completely before removal.
top cover
big handle
valve coverStep
Procedure
4. Remove front panel assy
Remove connection screws connecting the front panel
assy with the chassis and the motor support, and then
remove the front panel assy.
5. Remove rear grill
Remove the screws connecing the left side plate and
right side plate and then remove rear grill.
6. Remove right side plate assy
Rescrew the ground screws, remove the ground wires,
loosen the screws fixing terminal board, remove the
terminal board, rescrew the screws fixing the right
plate, and remove the right side plate assy.
115
Installation and Maintenance
Front Panel Assy
Rear Grill
Right Side
Plate AssyStep
Procedure
7. Remove valve suppprt
Remove the valve support bolck, remove the screws
fixing valve support, remove the screws fixing the liquid
valve and gas valve then remove the valve support.
8. Remove gas valve and liquid valve
Unsolder the welding joint connecting the gas valve
and the liquid valve, remove them.
Note:
Discharge the refrigerant completely befor unsoldering;
when unsoldering, wrap the gas valve with a wet cloth
completely to avoid damage to the valve caused by
high temperature.
9. Remove electric box assy
Remove the terminals, lift up and rotate the electrical
box assy to the right so that the snaps on the clapboard
are removed and the electrical box assy are removed.
116
Installation and Maintenance
valve supprt
Valve Support Block
welding joint
liquid valve
gas valve
Electric Box AssyStep
Procedure
10. Remove 4-way valve assy
Unsolder the welding joints connecting the 4-way valve
assy, remove the 4-way valve.
Note:
Before unsoldering the welding joint, wrap the 4-way
valve with a wet cloth completely to avoid damage to
the valve caused by high temperature.
11. Remove Capillary Sub-assy
Unsolder the welding joint connecting the capillary
subassy and then remove the capillary sub-assy.
12. Remove flash vaporizer assy
Remove the screws fixing the tube clip of flash
vaporizer assy, unsolder the welding joint connecting
the flash vaporizer assy and remove the flash vaporizer
assy.
117
Installation and Maintenance
4-way valve assy
Capillary Sub-assy
welding joint
Flash Vaporizer Assy
Tube Clip
welding jointStep
Procedure
13. Remove axial flow fan
Remove the nut on the fan and then remove the axial
flow fan.
14. Remove motor
Remove the screws fixing the motor and then remove
the motor.
15. Remove motor support
Remove the screws fixing the motor support and lift the
motor support to remove it.
118
Installation and Maintenance
axial flow fan
motor
motor supportStep
Procedure
16. Remove clapboard assy
Remove the screws fixing the clapboard assy and then
remove the clapboard assy.
17. Remove compressor
Remove the 3 foot nuts on the compressor and then
remove the compressor.
119
Installation and Maintenance
clapboard assy
compressorAppendix Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit display temperature（℉） Fahrenheit Celsius Fahrenheit display temperature（℉） Fahrenheit Celsius Fahrenheit display temperature（℉） Fahrenheit Celsius （℉） （℃） （℉） （℃） （℉） （℃） 61 60.8 16 69/70 69.8 21 78/79 78.8 26 62/63 62.6 17 71/72 71.6 22 80/81 80.6 27 64/65 64.4 18 73/74 73.4 23 82/83 82.4 28 66/67 66.2 19 75/76 75.2 24 84/85 84.2 29 68 68 20 77 77 25 86 86 30 Ambient temperature Fahrenheit display temperature（℉） Fahrenheit Celsius Fahrenheit display temperature（℉） Fahrenheit Celsius Fahrenheit display temperature（℉） Fahrenheit Celsius ( ℉) （℃） （℉） （℃） （℉） （℃） 32/33 32 0 55/56 55.4 13 79/80 78.8 26 34/35 33.8 1 57/58 57.2 14 81 80.6 27 36 35.6 2 59/60 59 15 82/83 82.4 28 37/38 37.4 3 61/62 60.8 16 84/85 84.2 29 39/40 39.2 4 63 62.6 17 86/87 86 30 41/42 41 5 64/65 64.4 18 88/89 87.8 31 43/44 42.8 6 66/67 66.2 19 90 89.6 32 45 44.6 7 68/69 68 20 91/92 91.4 33 46/47 46.4 8 70/71 69.8 21 93/94 93.2 34 48/49 48.2 9 72 71.6 22 95/96 95 35 50/51 50 10 73/74 73.4 23 97/98 96.8 36 52/53 51.8 11 75/76 75.2 24 99 98.6 37 54 53.6 12 77/78 77 25 Appendix 2: Configuration of Connection Pipe 1. Standard length of connection pipe (More details please refer to the specifications.) 2. Min length of connection pipe for the unit with standard connection pipe of 5m, there is no limitation for themin length of connection pipe. For the unit with standard connection pipe of 7.5m and 8m, the min length of connection pipe is 3m. 3. Max. length of connection pipe and max. high difference. (More details please refer to the specifications.) 4. The additional refrigerant oil and refrigerant charging required after prolonging connection pipe ● After the length of connection pipe is prolonged for 10m at the basis of standard length, you should add 5ml of refrigerant oil for each additional 5m of connection pipe. ● The calculation method of additional refrigerant charging amount (on the basis of liquid pipe): ● Basing on the length of standard pipe, add refrigerant according to the requirement as shown in the table. The additional refrigerant charging amount per meter is different according to the diameter of liquid pipe. See the following sheet. ● Additional refrigerant charging amount = prolonged length of liquid pipe X additional refrigerant charging amount per meter. Additional refrigerant charging amount for R410A Diameter of connection pipe Outdoor unit throttle Liquid pipe Gas pipe Cooling only(g/m) Cooling and heating(g/m) 1/4” 3/8” or 1/2” 15 20 1/4” or 3/8” 5/8” or 3/4” 15 50 1/2” 3/4” or 7/8” 30 120 5/8” 1" or 1 1/4” 60 120 3/4'' / 250 250 7/8'' / 350 350 120 Installation and Maintenance
Appendix Appendix 3: Pipe Expanding Method Note: Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ● Cut the required pipe with pipe cutter. B:Remove the burrs ● Remove the burrs with shaper and prevent the burrs from getting into the pipe. C:Put on suitable insulating pipe. D:Put on the union nut ● Remove the union nut on the indoor connection pipe and outdoor valve; install the union nut on the pipe. E:Expand the port ● Expand the port with expander. Note: ● "A" is different according to the diameter, please refer to the sheet below: Outer diameter(mm) A(mm) Max Min Ф6 - 6.35 (1/4") 1.3 0.7 Ф9 - Ф9.52 (3/8”) 1.6 1.0 Ф12 - 12.70 (1/2”) 1.8 1.0 Ф16 - 15.88 (5/8”) 2.4 2.2 F:Inspection ● Check the quality of expanding port. If there is any blemish, expand the port again according to the steps above. 121 Installation and Maintenance Pipe Pipe cutter Leaning Uneven Burr Pipe Shaper Downwards Union pipe Pipe Hard mold Expander Pipe Smooth surface Improper expanding leaning damaged crack uneven thickness surface The length is equal
Appendix Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) oC) Resistance(kΩ) Temp( Temp( -19 138.10 0 49.02 20 18.75 40 7.97 -18 128.60 2 44.31 22 17.14 42 7.35 -16 115.00 4 40.09 24 15.68 44 6.79 -14 102.90 6 36.32 26 14.36 46 6.28 -12 92.22 8 32.94 28 13.16 48 5.81 -10 82.75 10 29.90 30 12.07 50 5.38 -8 74.35 12 27.18 32 11.09 52 4.99 -6 66.88 14 24.73 34 10.20 54 4.63 -4 60.23 16 22.53 36 9.38 56 4.29 -2 54.31 18 20.54 38 8.64 58 3.99 Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) oC) Resistance(kΩ) Temp( Temp( -19 181.40 20 25.01 60 4.95 100 1.35 -15 145.00 25 20.00 65 4.14 105 1.16 -10 110.30 30 16.10 70 3.48 110 1.01 -5 84.61 35 13.04 75 2.94 115 0.88 0 65.37 40 10.62 80 2.50 120 0.77 5 50.87 45 8.71 85 2.13 125 0.67 10 39.87 50 7.17 90 1.82 130 0.59 15 31.47 55 5.94 95 1.56 135 0.52 Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp( oC) Resistance(kΩ) Temp( -30 911.400 10 98 50 17.65 90 4.469 -25 660.8 15 77.35 55 14.62 95 3.841 -20 486.5 20 61.48 60 12.17 100 3.315 -15 362.9 25 49.19 65 10.18 105 2.872 -10 274 30 39.61 70 8.555 110 2.498 -5 209 35 32.09 75 7.224 115 2.182 0 161 40 26.15 80 6.129 120 1.912 5 125.1 45 21.43 85 5.222 125 1.682 122 Installation and Maintenance oC) Resistance(kΩ) Temp( oC) Resistance(kΩ) Temp( oC) Resistance(kΩ) oC) Resistance(kΩ) Temp( oC) Resistance(kΩ) Temp( oC) Resistance(kΩ) oC) Resistance(kΩ) Temp( oC) Resistance(kΩ) Temp( oC) Resistance(kΩ)
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice. JF00304674